ir spectrum of limonene
Answers
Infrared radiation light spectrum of limonene - 1 methyl-4-(1 methylethenyl)-cyclohexene.
The study of how electromagnetic radiation is absorbed, emitted, and scattered by atoms and molecules-whether they are in the gaseous, liquid, or solid phase-is known as spectrum spectroscopy. Although the terms light, radiation, and electromagnetic radiation can all be used interchangeably, visible electromagnetic radiation is referred to as light. In Activities 1 and 2, you will learn about various characteristics of electromagnetic radiation. Understanding molecular characteristics and the outcomes of spectroscopic studies requires spectroscopy, which was essential in the development of quantum mechanics. To make the subject more tangible and less abstract and technical, it serves as a "stepping stone" to introduce us to the ideas of quantum mechanics and the quantum mechanical explanation of molecular features. A spectrum is a graph that shows how an atomic or molecular system responds to specific wavelengths of radiation or the intensity of the radiation at those wavelengths. An absorption spectrum shows how much light is absorbed by a material at each wavelength of radiation. The three most popular ways to visualize an absorption spectrum are as a plot with either the transmission (T), absorbance (A), or absorption coefficient on the y-axis and the wavelength on the x-axis. The optical density is another name for the absorbance. If we use the definitions of I0 (amount of light striking a sample), I (amount of light the sample transmits), and d (thickness of the sample).
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Complete question- What is Infrared radiation (IR) spectrum of limestone Draw the graph.
Related Questions
lead crystallizes in a face-centered cubic unit cell with an edge length of 495.08 pm. calculate the density of the metal.
Answers
The density of the metal with an edge length of 495.08pm is 549.06pm
Lead crystallizes with FCC lattice, Z = 4
√2a = 4r
r = 175.01pm
The density is given as:-
D=ZM/N0(a3) =5.616
Edge length a=404.91pm
For a BCC lattice, the 3D diagonal (l) and edge length (a) is related as:-
l=√3al=1.732×317=549.06pm
The density (d) of a crystal depends on the number of atoms occupying each unit cell, the mass of each atom (m), and the edge length of the unit cell (a). There are three types of cubic lattices,
1. Simple Cubic
2. Body centered
3. Face centered
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(A)
Show that the atomic packing factor for HCP is 0.74
(B) For the HCP crystal structure, show that the ideal c/a ratio is 1.633.
Answers
The atomic packing factor for HCP is 0.74.
(a) APF= (no. of atoms/cells)(Volume of each atom)/ Volume of unit cell
For the HCP crystal structure, the ideal c/a ratio is 1.633.
(b) (c/2)² = a²- sk
What is a crystal structure?
In crystallography, a crystal structure is a description of the regular arrangement of atoms, ions, or molecules within a crystalline material. The ordered structure results from the inherent property of constituent particles to form symmetrical patterns that repeat along the main directions of the three-dimensional space of matter.
The smallest group of particles in the material that make up this repeating pattern is the unit cell of the structure. A unit cell perfectly reflects the symmetry and structure of the entire crystal. It is constructed by repeatedly moving the unit cell along the principal axis. The translation vector defines the nodes of the Bravais lattice.
The length of the long axis or edge of the unit cell and the angle between them is the lattice constant, also called the lattice parameter or cell parameter. Crystal symmetry is described by the space group concept. All possible symmetric arrangements of particles in three-dimensional space can be described by the 230 space group.
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give the iupac name for the following compounds
Answers
Name each of the following chemicals using its IUPAC designation. ethyl 1,3 methyl 1,5 cyclohexane, 2-propyl three decane A4 heptane Dimethyl-7-hexane nonane
The longest chain of carbons in a molecule, whether it is a continuous chain or a ring, joined by a single bond, is named according to the IUPAC nomenclature system. All deviations, whether multiple bonds or atoms other than carbon and hydrogen, are identified by prefixes or suffixes in accordance with a particular set of priorities.
How can the IUPAC name be created from a structure?Yes! Search for all of your molecules by selecting the Explore Data tab and then clicking the green Search button at the bottom of the screen. Choose to display the IUPAC field from the Structure Fields section by clicking Customize your report. Click
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how would a calculated molar mass be affected if you take into account the volume of gas particles
Answers
When measured at the same temperature and pressure, the molar volumes of all gases are the same. Different gases will have different molar masses, though. This implies that the densities of various gases will vary (different masses per unit volume).
The volume occupied by one mole of a chemical element or chemical compound at standard temperature and pressure (STP) is known as the molar volume (Vm). By dividing the mass density () by the molar mass (M), it can be calculated. One mole of any gas has a fixed volume when it is at a particular temperature and pressure.
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consider this reaction: 6 co2 6 h2o light c6h12o6 6 o2 if you actually produced 30g of c6h12o6 what would be the percent yield? calculate the theoretical yield from having 2.38 x 102 g of h2o, 18.6 moles of co2.
Answers
The potential yield is composed of 608.22 grams of C6H12O6 and 531.2 grams of oxygen.
Describe the mole.The quantity of a substance that contains precisely 6.02214076 X 1023 of its essential components is called a mole.
A material is considered to contain a mole of a substance if it has the same mass as 12.000 g of 12C and the same number of elementary particles as atoms.
Find the theoretical yield of the reaction:
Here is the response: C6H12O6 + O2 = 6 CO2 + 6 H2O.
A mass of 2.38 x 102 g of water is given.
18.6 moles of CO2 are provided.
C6H12O6 is formed from 6 CO2 and 6 H2O.
6 moles of water. C6H12O6 in 1 mole
0.6 moles of C6H12O6 are equal to 1 mole of water.
18 g of water equals 276/6 g of C6H12O6.
? gram of C6H12O6 = 2.38*102 gm of H2O
C6H12O6 is 2.38+102+276/618 = 608.22 grams.
1 mole of C6H12O6 is equal to 276g, so 1 mole of C6H12O6 is equal to 608.22g, which is equal o 2.2 moles of C6H12O6.
O2 is equal to 6 moles of CO2.
Moles of CO2 and O2 are equal. 18.6 moles of CO2 are equal to 18.6 moles of O2.
O2 in a mole equals 32 grams.
18.6 moles of oxygen are equal to? gm (18.6*32) or 531.2 gms of oxygen. The potential yield is composed of 608.22 grams of C6H12O6 and 531.2 grams of oxygen.
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Which ion with a +3 charge has the electron configuration 1s2 2s2 2p6 3s2 3p6? Which ion with a −1 charge has this configuration?
Answers
Scandium ion with +3 charge has the electronic configuration 1s2 2s2 2p6 3s2 3p6 and Chlorine ion with a -1 charge has the same 1s2 2s2 2p6 3s2 3p6 electronic configuration.
The Electronic configuration of Scandium is [Ar]4s2 3d1 which 1s2 2s2 2p6 3s2 3p6 4s2 3d1, but when we remove three electrons from the outermost shell of the Scandium, according to Aufbau’s principle the electrons are removed from 4s and 3d shell to give us the required Scandium ion with +3 charge with electronic configuration 1s2 2s2 2p6 3s2 3p6. Similarly, the electronic configuration of Chlorine is [Ne] 3s² 3p⁵ which is 1s2 2s2 2p6 3s2 3p5, but when we add one electron to the outermost shell of the Chlorine, according to Aufbau’s principle the electron added to 3p shell to give us the required Chlorine ion with -1 charge with electronic configuration 1s2 2s2 2p6 3s2 3p6
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is the pronoun in bold reflexive or intensive? for chemistry class, i need to acquaint myself with the periodic table of elements.
Answers
For chemistry class, I need to familiarise myself with the periodic table of elements; the pronoun in bold is reflexive.
The chemical elements are arranged in columns and rows on a table known as the periodic table, sometimes known as the periodic table of the (chemical) elements. It is widely employed in physics, chemistry, and other sciences and is frequently referred to as an emblem of chemistry. It is a visual representation of the periodic law, which asserts that the atomic number-dependent properties of chemical elements follow an approximate periodic pattern. Four generally rectangular sections, referred to as blocks, make up the table. Periods and groups, respectively, are the names of the table's rows and columns. Similar chemical properties are displayed by elements in the same group on the periodic table. The nonmetallic character (keeping their own electrons), which is on the rise from left to right, is a trend that runs the length of the periodic table.
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a 1.00 l flask is filled with 1.25 g of argon at 25 ∘c. a sample of ethane vapor is added to the same flask at constant volume and temperature until the total pressure is 1.000 atm .
Answers
a) Partial pressure of argon is calculated as 0.763 atm ; b) Partial pressure of ethane is calculated as 0.237 atm.
What is an ideal gas law?Gases obey an equation of state known as the ideal gas law that is PV = n RT, where n is number of moles of gas and R is the gas constant, 8.314 joules per kelvin per mole.
The ideal gas equation is ,
PV = n RT
P is Pressure of the argon gas
Given, V= Volume of the gas is 1.00 L, mass = 1.25gm
Given, T= Temperature of the gas is 25°C = 298 K (0°C = 273 K)
We know that, R= Gas constant = 0.0821 atm L/K mol
n= moles of gas = given mass/molar mass
= 1.25g / 40g/mol
= 0.0312 moles
P= n RT/V
= (0.0312 * 0.0821 * 298)/1
= 0.763 atm
Partial pressure of argon is 0.763 atm.
In Dalton's law, total pressure is the sum of individual pressures.
P total = P1 +P2
P total = P Ar + P ethane
P ethane = 1 - 0.763
= 0.237 atm
Partial pressure of ethane is 0.237 atm.
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Can someone please help me understand the difference between oxidation and reduction with an example. Also known as redox.
Answers
During the oxidative phosphorylation of cellular respiration, hydrogen can be considered as a reducing agent because it loses electrons while molecular oxygen is an oxidizing agent because it accepts electrons.
What are reducing and oxidizing agents?Reducing and oxidizing agents are different molecules that accept and donate electrons in chemical redox reactions such as oxygen which accept and hydrogen which donates.
Therefore, with this data, we can see that reducing and oxidizing agents are related and they work together to move electrons in different redox reactions such as occur during cellular respiration.
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Select the correct definition for monohalogenated alkane. O A monohalogenated alkane is a haloalkane containing only one halogen atom. O A monohalogenated alkane is a haloalkane containing several identical halogen atoms. O A monohalogenated alkane is a haloalkane containing one halogen atom at each end of the
Answers
A monohalogenated alkane is a haloalkeen containing only one halogen atom.
Alkanes are the straight chain or rings of carbon atoms with single bonds between each carbon atom.
When such rings or chains are treated with the halogen gas in the presence of light.
One of the many halogen atom get attached to the carbon chain or ring during the reaction.
Again the halogen atom also forms a single bond only without disturbing the bonds between the carbon atoms.
Because there is only one halogen atom present and the compound is alkane that's why the name monohalogenated alkane.
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Question 22 19 . Give the formula for magnesium hydrogen sulfate A) MgHSO3 b, B) Mg2( HSO4)2 C) MgzHSO3 d, D) Mg(HSO412 E) MgSO4
Answers
[Mg(HSO4)2] is the formula for magnesium hydrogen sulfate.
Hexamethyldisilazane (HMDS) has been used to mildly produce trimethylsilyl (TMS) ethers from a variety of primary, secondary, and tertiary aliphatic alcohols, aromatic alcohols, and oximes in the presence of magnesium hydrogensulfate [Mg(HSO4)2], a heterogeneous solid acid catalyst.
Additionally, under solvent-free conditions, 14-aryl-14H-dibenzo[a,j]xanthenes and 1,8-dioxo-octahydroxanthene derivatives were produced quickly in the presence of Mg(HSO4)2 in high to exceptional yields.
Some linear and cyclic aromatic acetals have been created using a reusable catalyst made of magnesium hydrogen sulphate in an environment devoid of solvents.
The features of this ecologically friendly method—such as its high product yield, straightforward work-up process, and avoidance of organic solvents—will help it immensely in its role as a green process.
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TP is considered to be a high energy molecule. When ATP undergoes hydrolysis to ADP, how much energy is produced?
7.3 kcal/mole is required
14.6 kcal/mole is released
7.3 kcal/mole is released
21.9 kcal/mol is released
Answers
Energy-wise, the conversion of ATP to ADP is advantageous, producing -7.3 cal/mol of Gibbs-free energy.
What volume of energy is transferred form ATP to ADP?How is the free energy generated by the ATP hydrolysis utilised for cellular activity, and how much free power is released during this process?One mole of ATP hydrolyzes into Pi and ADP with a predicted G of 7.3 kcal/mole (30.5 kJ/mol).
What occurs when ATP hydrolyzes into ADP?The process of hydrolysis releases energy and transforms ATP into adenosine diphosphate whenever one phosphate group is eliminated by rupturing a phosphoanhydride bond (ADP).
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What is the energy of each of the following photons in kilojoules per mole?
a) ν= 5.92×1019 s−1
b) ν= 1.24×106 s−1
c) λ = 265 m
Answers
the energy of every photon in the list below, expressed in kilojoules per mole 2.362*10^7 KJ/mol,4.948*10^-7 KJ/mol,4.517*10^-7 KJ/mol
1) Given:
f = 5.92*10^19 s-1
Find energy of 1 photon first
use:
E = h*f
=(6.626*10^-34 J.s)*(5.92*10^19) s-1
= 3.923*10^-14 J
Energy of 1 mol = energy of 1 photon * Avogadro's number
= 3.923*10^-14*6.022*10^23 J/mol
= 2.362*10^10 J/mol
= 2.362*10^7 KJ/mol
2)Given:
f = 1.24*10^6 s-1
Find the energy of 1 photon first
use:
E = h*f
=(6.626*10^-34 J.s)*(1.24*10^6) s-1
= 8.216*10^-28 J
Energy of 1 mol = energy of 1 photon * Avogadro's number
= 8.216*10^-28*6.022*10^23 J/mol
= 4.948*10^-4 J/mol
= 4.948*10^-7 KJ/mol
3)Given:
[tex]\lambda[/tex] = 2.65*10^2 m
Find the energy of 1 photon first
use:
E = h*c/l[tex]\lambda[/tex]
=(6.626*10^-34 J.s)*(3.0*10^8 m/s)/(2.65*10^2 m)
= 7.501*10^-28 J
This is the energy of 1 photon
Energy of 1 mol = energy of 1 photon * Avogadro's number
= 7.501*10^-28*6.022*10^23 J/mol
= 4.517*10^-4 J/mol
= 4.517*10^-7 KJ/mol
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I need help NOWW PLEASE HELP ME
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The reaction of Al₂S₃ with Li forms the displaced product Li₂S₃ and Al. The correct formula of the compound with X having one valence electron and Z with 6 valence electrons is XZ₂. The given reaction in the third image is a single replacement reaction and the reaction in the fourth image is double displacement. Options A, B and E are correct for the reaction in fifth image.
What is displacement reaction?In displacement reactions , an atom or group is displaced by other atom or group from a reactant. In double displacement reactions, two group or atoms are displaced between two reactants.
In the reaction between Al₂S₃ with Li forms the displaced product Li₂S₃ and Al. It is a single displacement reaction.
The element X with 1 valence electron will form a compound with Z having 6 valence electrons with the formula XZ₂. Z needs two electrons to attain octet. Thus two X provides one electron by each to Z.
The reaction of Na metal with HCl producing NaCl and hydrogen gas is a single displacement reaction. Whereas, the reaction between NaCl and MgF2 is double displacement because, both Cl and F atoms are displacing their position.
Sodium phosphate reacts with ferric chloride giving the ferric phosphate precipitate. Here the metals replaces nonmetals and the reaction involves formation of a precipitate. Thus, option A, B and E are correct.
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Why is helium not the most electronegative elemnt?
Answers
[tex]\huge\underline{\red{A}\green{n}\blue{s}\purple{w}\pink{e}\orange{r} —}[/tex]
It has no electronegativity because it is a noble gas.
Explanation:
Electronegativity describes an atoms relative tendency to attract a pair of electrons in a molecule. It can be described as a property of an atom within a molecule. As helium is a noble gas it will not react to form molecules and will thus not be in a situation where it would attract a pair of electrons within a molecule.
Hope it helps you!!Answer: As helium is a noble gas it will not react to form molecules and will thus not be in a situation where it would attract a pair of electrons within a molecule.
Explanation:
A fictional element has two naturally occurring isotopes with the natural abundances shown here: ISOTOPE ABUNDANCE 18 40.0% 20 60.0%
Answers
The true statement, given the data from the table is: The atomic mass would be closer to 20 than 18
How do I know which statement is true?To know which statement is true, we shall determine the average atomic mass of the element. Details below:
Mass of 1st isotope = 18Abundance of 1st isotope (1st%) = 40%Mass of 2nd isotope = 20Abundance of 2nd isotope (2nd%) = 0.01%Average atomic mass =?Average atomic mass = [(Mass of 1st × 1st%) / 100] + [(Mass of 2nd × 2nd%) / 100]
Average atomic mass = [(18 × 40) / 100] + [(20 × 60) / 100]
Average atomic mass = 7.2 + 12
Average atomic mass = 19.2
Thus, the average atomic mass is 19.2
Therefore, the true statement is: The atomic mass would be closer to 20 than 18
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Complete question:
Please attached photo
the reaction of nitrogen gas with oxygen gas forms nitrogen monoxide according to the following reaction. what is the energy change in kj when 0.575 mol of nitrogen monoxide (no) is produced?
Answers
When 0.575 mol of nitrogen monoxide (no) is generated, the energy change is 1.729215262 KJ.
What exactly are chemical reactions?Chemical reactions rely heavily on energy shifts. The interaction of particles frequently involves energy transfers as a result of bond breakage and creation. Exothermic reactions are those in which energy is released into the environment, whereas endothermic processes absorb heat energy.
N2 + O2 ——— > 2NO ——— H = +180.5 KJ
According to the preceding equation, when 2 mol of NO is generated, the energy change is 180.5 KJ.
=> 60.02 g NO produced, the energy change is 180.5 KJ. => 0.3830 g NO produced, the energy change
= (180.5/60.02)0.575 KJ
= 1.729215262 KJ.
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methyl benzoate ir spectrum
Answers
IR-spectrum of methyl benzoate:
The Formula of methyl benzoate is:
[tex]C_{6} H_{6} COOHCH_{3}[/tex]
1. C-O stretching
The strongest peak should be the ester C=O stretch.
This normally appears at
Conjugation with the ring moves the peak from 1750-1735[tex]cm^{-1}[/tex] to 1730-1715 [tex]cm^{-1}[/tex].
In the range of 1300-1000 [tex]cm^{-1}[/tex], there should also be one medium and two strong bands.
The two strong bands arise from the symmetric and antisymmetric C-O stretches of the ester COO group, and the weaker band is the ether CO stretch of the OC[tex]H_{3}[/tex]group.
2. C-C Stretching
Characteristic medium-strength C-C stretching bands in the 1600–1585 [tex]cm^{-1}[/tex] and 1500–1400 [tex]cm^{-1}[/tex] regions of the benzene ring are present.
3. C-H bending
At 750-700 [tex]cm^{-1}[/tex] and 710-690 [tex]cm^{-1}[/tex], the monosubstituted phenyl group exhibits distinctively strong bending vibrations.
1.The methyl group usually shows a weak band at 1380 [tex]cm^{-1}[/tex] and a medium band at 1260 [tex]cm^{-1}[/tex].
4. C-H Stretching
The weak aromatic C-H stretch typically occurs between 3100 and 3000 [tex]cm^{-1}[/tex].
The aliphatic C[tex]H_{3}[/tex]group shows stronger symmetric and antisymmetric stretches at 2960 [tex]cm^{-1}[/tex] and 2870 [tex]cm^{-1}[/tex] .
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Prediction: If an increase in temperature increases the rate of evaporation of
water, then an increase in average daily temperatures will decrease lake water
levels over a two-year period.
Which of the following best describes this prediction?
OA. The prediction is useful because it specifies what observations
will be made to test a hypothesis.
OB. The prediction is not useful because scientists are skeptical of
anyone who claims to see into the future.
OC. The prediction is useful because it proves that the hypothesis is
true before any data have been collected.
OD. The hypothesis is not useful because it is too long as a sentence
and therefore difficult to read.
Answers
A. The prediction is useful because it specifies what observations will be made to test a hypothesis.
A prediction is a statement about what is expected to happen based on a particular hypothesis. In this case, the prediction is that an increase in average daily temperatures will decrease lake water levels over a two-year period. This prediction is useful because it specifies a clear and specific observation that can be made to test the hypothesis that an increase in temperature increases the rate of evaporation of water.
you have decided to ascend to the summit of mount everest, where the partial pressure of oxygen in the atmosphere has been estimated to be about 54 mmhg. recall that when this air arrives in the alveoli, the partial pressure of oxygen drops even lower because of displacement by the partial pressure of carbon dioxide and water vapor. the arterial concentration of oxygen at the pulmonary capillaries is measured and found to be 25 mmhg. what is the percent saturation of hemoglobin at this partial pressure?
Answers
The percentage saturation of the Hemoglobin will be 45%. Hemoglobin saturation will eventually diminish quickly as the PO2 drops.
The hemoglobin's % saturation as a function of oxygen partial pressure is plotted on the oxygen-hemoglobin dissociation curve (PO2). Hemoglobin will be 100% saturable with oxygen, or all four heme groups will be bound, at a PO2 of 100 mmHg. 1.34 mL of oxygen may be carried by every gram of hemoglobin. Oxygen is soluble in plasma at a solubility coefficient of 0.003. This coefficient shows the volume of oxygen in mL that will dissolve in 100mL of plasma for each 1 mmHg spike in the PO2. The oxygen content is then determined using a formula, so that
Oxygen Content = (0.003 × PO2) + (1.34 × Hemoglobin × Oxygen Saturation).
This formula illustrates that dissolved oxygen is a sufficiently tiny fraction of total oxygen in the blood; consequently, the oxygen content of blood can be deemed equivalent to the oxyhemoglobin levels.
Alveolar gas in the lungs has a PO2 of 100 mmHg. However, even at a PO2 of 60 mmHg, oxygen saturation will still be high because of the high affinity for the fourth oxygen molecule. Hemoglobin saturation will eventually diminish quickly as the PO2 drops; at a PO2 of 40 mmHg, hemoglobin is 75% saturated. In the meantime, hemoglobin is 50% saturated at a PO2 of 25 mmHg. When 50% of each hemoglobin's heme groups are oxygenated, this condition is known as P50.
The nature of the oxygen saturation becomes increasingly important in light of the effects of right and left shifts. A variety of the factors can cause these shifts.
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another sample of eggshell reacts completely with 4.0 ml of unknown concentration if the reaction produced 0.095 atm of gas. the concentration of hcl solution was at least
Answers
The concentration of HCl = 1 M
What is the concentration of solution?A solution's concentration is an indicator of how much solute has dissolved in a certain volume of solvent or solution. A concentrated solution has a high concentration of dissolved solute. When a dissolved solute is present in a solution, it is said to be diluted.
Given that,
unknown solution concentration = 4.0 ml
pressure of gas = 0.095 atm
It corresponds to 0.020 gm of CaCO₃.
Thus, moles of CaCO₃ = 0.20 gm /(100 g/mol)
= 0.002 moles
moles of HCl = (moles of CaCO₃ × 2)
= ( 0.002 moles × 2)
= 0.004 moles
So, molarity of HCl = moles / volume in L
= (0.004 moles × 1000)/4
= 1 M
Thus, concentration of HCl = 1 M
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Nitrogen gas (N2) and hydrogen gas (H2) combine to form ammonia (NH3).
Which equation correctly represents this reaction?
Responses
N2 + 3H2 → 2NH3
upper case N subscript 2 end subscript plus 3 upper case H subscript 2 end subscript rightward arrow 2 upper case N H subscript 3 end subscript,
N + H → NH
upper case N plus upper case H rightward arrow upper case N H,
2NH → N + 3H2
2 upper case N H rightward arrow upper case N plus 3 upper case H subscript 2 end subscript,
2N2 + H2 → 3NH3
2 upper case N subscript 2 end subscript plus upper case H subscript 2 end subscript rightward arrow 3 upper case N H subscript 3 end subscript,
Answers
The equation is 2N2 + H2 → 3NH3 ,2 upper case N subscript 2 end subscript plus upper case H subscript 2 end subscript rightward arrow 3 upper case N H subscript 3 end subscript.
What is balanced equation ?A chemical equation that is balanced conserves mass and has an equal number of atoms of each element on both sides of the equation.
A chemical equation that is balanced has equal masses for the reactants and products, contains the same amount of atoms of each element on both sides of the equation.
Equal numbers of atoms from various elements are present in both the reactants and the products in balanced chemical equations. Different elements' atom counts in the reactants and products of unbalanced chemical equations are different.
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g if 2 moles of al is stoichiometrically equivalent to 3 moles of h2, how many moles of hydrogen form from 6 moles of aluminum?
Answers
9 moles of [tex]H_{2}[/tex] can be made from complete reaction of 6 moles of Al with hydrogen chloride.
In chemistry, stoichiometry is the measurement of the ratios in which different substances or elements interact. The laws of conservation of mass and energy as well as the law of combining weights or volumes serve as the foundation for the rules used in the determination of stoichiometric relationships.
In the field of chemistry known as stoichiometry, needed quantitative data is ascertained by exploiting relationships between the reactants and/or products of a chemical process. Stoichiometry literally translates as the measure of elements because the Greek words stoikhein and metron both mean element and measure, respectively.
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Draw the additional resonance structure(s) of the structure below? 3= 6 Include all valence lone pairs in your answer: Draw one structure per sketcher: Add additional sketchers using the drop-down menu in the bottom right corner: Separate resonance structures using the symbol from the drop-down menu: ost0 CH4
Answers
The resonating structures for the given compound is represented in the image attached below.
When a molecule is represented via way of means of or extra hybrid structures and that shape are specific withinside the function of electrons now no longer in function of atoms, then the shape is referred to as as resonating shape and this phenomenon is referred to as as resonance. Resonance systems are a hard and fast of or extra Lewis Structures that together describe the digital bonding of a unmarried polyatomic species inclusive of fractional bonds and fractional charges.
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What is the name for CuSO3? a.carbon (II) sulfate b.copper (II) sulfite c.carbon sulfte d.none of these e.copper (I) sulfate Previous
Answers
(B) Copper (II) sulfite has the chemical formula CuSO3.
Copper(II) sulfate is the chemical compound CuSO4, although it is also known as blue vitriol, Roman vitriol, the vitriol of copper, and bluestone. Copper sulfate is most frequently found as its pentahydrate, which has the chemical formula CuSO4. 5H2O.
For further information on the chemical name of the compound cu2co3, see its chemical formula. This compound is made up of copper cations (Cu2 ) and carbonate anions (CO3), and as a result is known as copper carbonate and is categorized as a salt.
CuCO is the chemical formula for copper(II) carbonate, also known as cupric carbonate. It is an ionic solid (a salt) that, at room temperature, consists of
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a reaction has a theoretical yield of 76.5 grams of a product, and a percent yield of 89.7 %. what is the actual yield (in g) of this product in this reaction?
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The actual yield of the product in the given reaction is 68.62 grams.
The ratio of the reaction's actual yield to its theoretical yield, multiplied by 100 is known as the percent yield. The amount of a product that is produced as a result of a chemical reaction is known as the actual yield. And, the amount of a product that results from the total conversion of the limiting reactant in a chemical process is known as the theoretical yield.
From the percent yield formula,
[tex]\text{actual yield}=\frac{\text{percent yield} \times\text{theoretical yield}}{100\%}[/tex]
Here, given, the percent yield is 89.7% and the theoretical yield is 76.5%. Then, the actual yield is,
[tex]\begin{aligned}\text{actual yield}&=\frac{89.7\%\times\mathrm{76.5\;g}}{100\%}\\&=\mathrm{68.62\;g}\end{aligned}[/tex]
The answer is 68.62 grams.
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How could a lake be considered a part of one of Earth’s spheres during one season and part of another sphere during another season?
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The interactions between Earth's five systems—the geosphere, biosphere, cryosphere, hydrosphere, and atmosphere—create the conditions we are accustomed to.
What is Atmosphere?On Earth, there are five major systems, or spheres. The Earth's interior and surface, which are both formed of rocks, make up the first system, the geosphere.
The second system is made up of the little area of the planet that may sustain life; this area is known as the biosphere. The third system contains the hydrosphere, or regions of Earth that are completely covered with water.
The fourth system is the atmosphere, a gaseous envelope that maintains the planet's temperature while also supplying carbon dioxide for photosynthesis and oxygen for breathing.
Therefore, The interactions between Earth's five systems—the geosphere, biosphere, cryosphere, hydrosphere, and atmosphere—create the conditions we are accustomed to.
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the beta decay of platinum-199
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There can be emissions of radiations like gamma radiation. There can be emission of particles too like alpha particle. Therefore, the beta decay of platinum-199 is ₇₉Au¹⁹⁹.
What is nuclear decay?Nuclear decay is process in which the radioactive element releases particles or radiations. Alpha particles is ⁴₂He. Alpha particle is nothing but helium particle.
The balanced equation for the beta decay of ₇₈Pt¹⁹⁹.
₇₈Pt¹⁹⁹ [tex]\rightarrow[/tex] -₋₁e⁰ + ₇₉Au¹⁹⁹
Beta decay is the emission of electron particle from the given isotope. the product is gold- 199.
Therefore, the beta decay of platinum-199 is ₇₉Au¹⁹⁹.
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Please help with this question i’ve been stuck on it!!!
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Answer: 8/9
Explanation: took the quiz gang
What is the charge on the iodide in lead(IV) iodide?
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The charge on lead is +4 in lead (IV) iodide. Hence, there are 4 iodine atoms each with a charge of -1.
What is lead (IV) iodide ?Lead (IV) iodide is an ionic compound formed by the donation of 4 electrons from the heavy metal lead to the iodine atom. Lead is a 14th group element with 4 valence electrons.
Iodine is a halogen having 7 valence electrons and need one more electrons to achieve octet. Thus, the halogens are more electronegative to gain an electron.
Lead (IV) iodide is PbI₄. Thus, lead shares its all 4 valence electrons each to l atoms. The charge of Pb is +4 and that of 4 I is -4. Hence, charge of one iodine is -1.
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