The boiling point of water would increase by 1°C if 1 mol of NaCl added 1 kg of water.
What would be the change in the boiling point of water when NaCl is added to it?The addition of solute substances to solvent such as water results in a change in the boiling points and freezing points of the solvents.
The formula to calculate the change in temperature is given below:
ΔT = Kbmi
Where;
m is molality of the solution
Kb and i are constants.
Solving for change in temperature:
m = 1 mol/kg
ΔT = 0.51 * 1 * 2
ΔT = 1°C
The normal boiling point of water is 100°C
The new boiling point of the solution = (100 + 1) = 101 °C
In conclusion, addition of solute to solvent will result in change in the boiling point of the solvent.
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5.04 Discussion: Reaction-Rate Factors
Discuss with your classmates your investigation about reaction-rate factors.
Describe how you conducted your experiment, and explain how you reached your conclusion.
Evaluate your investigation, and describe some ways that you could modify your investigation.
Respond to your classmates' experimental designs and conclusions. Do they support their conclusions with evidence?
Increasing the surface area of the reactant by pelletizing the calcium carbonate, and increasing the concentration of hydrochloric acid resulted in increase in the rate of reaction.
What is reaction rate?Reaction rate refers to the rate at which reactant molecules are consumed or the rate at which product molecules are formed.
The factors that affect reaction rate include:
TemperatureConcentrationSurface area of reactantsNature of reactantsPresence of catalystsGiven an experiment to determine effect of surface area of reactants and concentration on reaction rate of dilute hydrochloric acid and calcium carbonate:
It was observed that increasing the surface area of the reactant by pelletizing the calcium carbonate and increasing the concentration of hydrochloric acid made the reaction proceed faster.
In conclusion, reaction rate increases with increase in surface area.
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One metal object is a cube with edges 3.00 cm and a mass of 140.4 g. a second is a sphere with a radius of 1.42 cm and a mass of 61.6 g. are these objects made of the same metal?
Yes, the objects made of the same metal.
The volume of the first object, which is a cube, is equal to the edge length cubed.
This volume is converted to mL as follows:
V1 = [tex](3 cm)^{3}[/tex] = 27 [tex]cm^{3}[/tex] = 27 mL
Based on its given mass, the density will be:
d1 = m1/V1
= 140.4g/ 27.0 mL
= 5.20g/mL
The following thing is a sphere. We calculate the volume of a sphere using the following formula, with the result expressed in mL:
V1 = 4/3 *[tex]\pi[/tex]* [tex](1.42)^{2}[/tex]
= 12 [tex]cm^{3}[/tex]
= 12 mL
The density based on the following mass will be
d2= m2/V2
= 61.6 g/12.0 mL
= 5.14 g/mL
These two computed densities are separated by about 1%. We can determine that these objects are made of the same metal based on the precision of +/- 1% provided.
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Calculate how many moles of nh3 form when each quantity of reactant completely reacts?
3.6 moles [tex]NH_{3}[/tex] required when each quantity of reactant completely reacts.
The ratio of the mole quantities of any two compounds present in a balanced chemical reaction is known as the mole ratio. A reaction's product yield can be predicted using mole ratios, as can the amount of reactant required to produce a specific amount of result.
The balanced chemical equation is :
[tex]3N_{2} H_{4}[/tex](l) → [tex]4NH_{3}[/tex](g) + [tex]N_{2}[/tex](g)
Given is = 2.6 mol [tex]N_{2} H_{4}[/tex]
As we see, 3 moles of [tex]N_{2} H_{4}[/tex] reacts with 4 moles of [tex]NH_{3}[/tex].
Therefore,
n( [tex]NH_{3}[/tex]) = n( [tex]N_{2} H_{4}[/tex] ) × [tex]\frac{4}{3}[/tex]
n( [tex]NH_{3}[/tex]) = [tex]2.6mol^{*} \frac{4mol}{3mol}[/tex]
n( [tex]NH_{3}[/tex]) = 3.6 moles.
Therefores, 3.6 moles [tex]NH_{3}[/tex] required when each quantity of reactant completely reacts.
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A sample of gas occupies 75.5 mL at -14.2°C. What volume does the sample occupy at 146.7 °C?
As a whole, plants tend to release more oxygen than carbon dioxide into the environment, but the ratios of gases differ at various times of the day. plants tend to take in more carbon dioxide during the day and release more oxygen. at night, they tend to take in more oxygen and excrete more carbon dioxide. how does the model support this phenomenon?
During the day, due to the existence of sunlight, the procedure of photosynthesis elevations over that of respiration. Photosynthesis uses carbon dioxide to produce carbohydrates removing oxygen as a byproduct. During the night, because there is no sunlight, the rate of photosynthesis decreases. This, therefore, drives the rate of respiration to surpass the speed of photosynthesis. In respiration, oxygen is consumed and carbon dioxide is dismissed.
What is photosynthesis?Photosynthesis is the process by which manufacturers use sunlight, water, and carbon dioxide to produce oxygen and energy in the form of sugar.The primary position of photosynthesis is to transform solar energy into chemical energy and then reserve that chemical energy for prospective use. For the most part, the planet's living designs are powered by this process.An illustration of photosynthesis is how plants convert sugar and significance from water, air, and sunlight into energy to grow. Description of photosynthesis is the procedure through which plants use water and carbon dioxide to assemble their food, grow and remove excess oxygen into the air.To learn more about photosynthesis, refer to:
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PLEASE HELP , what is the concentration of Br, molecules in a solution containing 1.6g of bromine in 250cm of solution
The concentration of the bromine solution, given the data is 0.04 M
What is molarity?Molarity is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:
Molarity = mole / Volume
How to determine the mole of bromine molecule (B₂)Mass of B₂ = 1.6 gMolar mass of bromine molecule (B₂) = 80 × 2 = 160 g/molMole of bromine molecule (B₂) = ?Mole = mass / molar mass
Mole of bromine molecule (B₂) = 1.6 / 160
Mole of bromine molecule (B₂) = 0.01 mole
How to determine the molarity of the bromine solutionMole of bromine molecule (B₂) = 0.01 moleVolume of solution = 250 cm³ = 250 / 1000 = 0.25 LMolarity bromine solution =?Molarity = mole / Volume
Molarity bromine solution = 0.01 / 0.25
Molarity bromine solution = 0.04 M
Thus, molarity of the bromine solution is 0.04 M
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This formula equation is unbalanced. pb(no3)2(aq) li2so4(aq) right arrow. pbso4(s) lino3(aq) which coefficient should appear in front of lino3 in the balanced equation?
The coefficient 2 should appear in front of [tex]LiNO_{3}[/tex] in the balanced equation
The chemical equation in which number of atoms in reactant side is equal to the number of atom in product side is called balanced chemical equation. The example of balanced equation is given as,
[tex]Pb(NO_{3} )_{2} (aq) + Li_{2} SO_{4} (aq)[/tex] → [tex]2Li(NO_{3} ) (aq) + Pb SO_{4} (aq)[/tex]
In the above equation, 2 is appear in front of [tex]LiNO_{3}[/tex] in the balanced equation which is known as the coefficient.
The symbolic representation of the chemical reaction is called chemical equation.
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Answer: 2
Explanation:
Dentify the reagents used to carry out the chlorination of benzene. a. cl2/ccl4 b. cl2/fecl3 c. cl2/nacl d. both b and c e. a, b and c
The reagents which are used to carry out the chlorination of benzene are cl2/fecl3 and cl2/nacl
Chlorination is the process of disinfecting drinking water by introducing chlorine to eradicate viruses, germs, and parasites. To get drinking water with safe levels of chlorine, various techniques can be utilized. Chlorination is the technique of disinfecting and eradicating bacteria from drinking water by adding chlorine to it.
To get drinking water with safe levels of chlorine, various techniques can be utilized. Chlorine can be found as solid calcium hypochlorite (Ca(OCl)2), sodium hypochlorite solution (NaOCl), or compressed elemental gas. Chlorine is added to water as part of the chlorination process, however the chlorinating substance need not be pure chlorine.
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What is the molar concentration of potassium ions in a 0. 250 m k2so4(aq) solution?
The molar concentration of potassium ions in a 0. 250 m K₂SO₄(aq) solution is 2.
What is molar concentration?The molar concentration of a solution is the presence of solute in one unit of a solution.
Molar concentration = number of moles / volume
The volume is given 0.250 m
To calculate the number of moles:
There will be 2 moles of potassium and 1 mole of sulfate in one L of the solution.
So in 0.250 L
0.250 x 2 x 1 = 0.500
The total number of moles of potassium and sulfate ion are 0.500
Now, putting the value:
Molar concentration = number of moles / volume
0.500 / 0.250 = 2
Thus, the molar concentration is 2.
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A 200. 0-ng sample of sodium-24 was stored in a lead-lined cabinet for 45 hours. The half-life of sodium-24 is 15 hours. How much sodium-24 remains?
Answer:
25 gm would be left
Explanation:
45 hours is 3 half lives
200 gm * 1/2 * 1/2 * 1/2 = 25 gm
According to the concept of half life , as 45 hours are equal to three half- lives after 3 half-lives 25 g of sodium-24 remains.
What is half-life?Half -life of a substance is defined as the time which is required for half of the quantity of a radioactive substance to get decayed.It is a term which is used in nuclear chemistry for describing how quickly unstable atoms undergo radioactive decay into other nuclear species by emitting particles or the time which is required for number of disintegrations per second of radioactive material to decrease by one half of its initial value.
In the given problem time is=45 hours and as 1 half life=15 hours , for 45 hours=45/15=3 half lives .
Amount of sodium-24 after 3 half lives= 200×1/2×1/2×1/2=25 grams.
Therefore, after 45 hours 25 g of sodium-24 remains.
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Calculate the molar concentration of the acid if 50.6 ml of hydrochloric acid was required to neutralize 45.0 ml of 0.345 m aluminium hydroxide. be sure to use a balanced equation.
The molar concentration of the acid, HCl required for the reaction is 0.614 M
We'll begin by writing the balanced equation for the reaction. This is given below:
2HCl + Ca(OH)₂ —> CaCl₂ + 2H₂O
The mole ratio of the acid, HCl (nA) = 2
The mole ratio of the base, Ca(OH)₂ (nB) = 1
From the question given above, the following data were obtained:
Volume of acid, HCl (Va) = 50.6 mL
Volume of base, Ca(OH)₂ (Vb) = 45 mL
Molarity of base, Ca(OH)₂ (Mb) = 0.345 M
Molarity of acid, HCl (Ma) =?
MaVa / MbVb = nA/nB
(Ma × 50.6) / (0.345 × 45) = 2
(Ma × 50.6) / 15.525 = 2
Cross multiply
Ma × 50.6 = 15.525 × 2
Ma × 50.6 = 31.05
Divide both side by 50.6
Ma = 31.05 / 50.6
Ma = 0.614 M
Therefore, the molar concentration of the acid, HCl is 0.614 M
What is Molar Concentration?Molar concentration, also known as molarity, is most commonly expressed in moles of solute per litre of solution. It is defined in broader applications as the amount of solute substance per unit volume of solution or per unit volume available to the species, represented by lowercase letters.
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How many grams of nitrogen gas are formed when 18. 1 g of ammonia is reacted with 90. 4 g of copper(ii) oxide?
10.55 grams of nitrogen gas are formed when 18. 1 g of ammonia is reacted with 90. 4 g of copper(ii) oxide.
What is stoichiometric law?The laws which deals with the composition of substance by mass or his volume are called the laws of stoichiometry.
The laws of stoichiometry are:
Law of conservation of mass Law of definite/constant proportion Law of multiple proportion Law of reciprocal proportions Law of gaseous volumeReaction:
3CuO + 2NH₃ → N₂ + 3 Cu + 3 H₂O
n(CuO) = m(CuO) / 64 + 16 = 90.4 / 80 = 1.13 mol (molar mass of CuO = 90.4)
n(NH₃) = m(NH₃) / 14+3 = 18.1 / 17= 1.065mol (molar mass of NH₃ = 18)
For 1.065 mol of NH3 undergoing the reaction, 3/2 times larger amount of CuO is needed.
CuO is 1.6 mol but it's only 1.13 of it so CuO is a limiting reactant, we must count stoichiometry by amount of this reactant.
n(CuO) = 1.13 mol,
n(N₂) = n(CuO) / 3 = 1.13 / 3 = 0.376 mol
m(N₂) = 0.376 x 28 = 10.55 grams
10.55 grams of nitrogen gas are formed when 18. 1 g of ammonia is reacted with 90. 4 g of copper(ii) oxide.
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Identify atleast 2 limitations of the simulation. how do these limitations influence the simulation
Which method is used for synthesis of ammonia?
The Haber-Bosch process
The dominant ammonia production process is the Haber-Bosch process invented in 1904 which requires high temperature (~500°C) and high pressure (150–300 bar), in addition to efficient catalysts3,4. Natural gas or coal is used as the energy source of the ammonia industry.Learn more about synthesis of ammonia
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Consider the hypothetical atom x. if the molecular formula for calcium nitrate is ca(no3)2 and the formula of x chloride is xcl2. what is the molecular formula for x nitrate
X(N03)2
Given: Consider a hypothetical atom x
molecular formula of calcium nitrate = Ca(NO3)2
formula of x chloride is xcl2
molecular formula for x nitrate = ?
we are first putting calcium with chlorideon checking calcium on the periodic table we observe it in group 2so calcium has two plus chargewhereas chloride being a halogen it is observed in group 7it forms ion with one negative charge which would become CaCl2so if we have Ca(NO3)2 and see a Cl2 with our hypothetical atom x , if the formula of x with chloride as XCl2 then formula with the nitrate is going to be xthis will be similar to calcium because calcium is just like it when we look at calcium with chloridehence when x goes with nitrate it is going to look just like the formula for calcium nitratethis gives us the final answer to be X(NO3)2To learn more about molecular formula for hypothetical atom visit:
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g. Hot water at 100 °C is added to 300 g of water at 0 °C until the final temperature is 40 °C. Find the mass of the hot water added. The specific heat capacity of water is 4200 Jkg-¹°C¹.
Answer:
000
Explanation:
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25. 00 ml of a buffer solution contains 0. 500 m hclo and 0. 380 m naclo. if 50. 00 ml of water is added to the buffer, what are the new concentrations of hclo and naclo?
The new concentrations of [tex]HClO[/tex] and [tex]NaClO[/tex] are 0.25M and 19M
Calculation of number of moles of each component,
Molarity of [tex]HClO[/tex] = number of moles/volume in lit = 0. 500 M
Number of moles = molarity of [tex]HClO[/tex]× volume in lit = 0. 500 M× 0.025 L
Number of moles of [tex]HClO[/tex] = 0.0125 mole
Molarity of [tex]NaClO[/tex] = number of moles/volume in lit = 0. 38 M
Number of moles = molarity of [tex]NaClO[/tex] × volume in lit = 0. 38 M× 0.025 L
Number of moles of [tex]NaClO[/tex] = 0.95 mole
Calculation of new concentration at volume 50 ml ( 0.05L)
Molarity of [tex]HClO[/tex] = number of moles/volume in lit = 0.0125 mole/0.05L
Molarity of [tex]HClO[/tex] = 0.25M
Molarity of [tex]NaClO[/tex] = number of moles/volume in lit = 0.95mole/0.05L
Molarity of [tex]NaClO[/tex] = 19 M
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In 2021 the James Webb Telescope will begin operation focusing on infrared wavelengths and must be kept extremely _______.
In 2021 the James Webb Telescope will begin operation focusing on infrared wavelengths and must be kept extremely cold.
What is James Webb Telescope?The James Webb Telescope is the most important optical telescope present in space, which is employed by astronomers to observe celestial bodies and physical phenomena in the universe.
This space telescope (James Webb Telescope) is based on the infrared wavelengths that cover a specific length of 0.57 to 28-micrometer waves and enable to observe different spectra across the Universe.
In conclusion, in 2021 the James Webb Telescope will begin operation focusing on infrared wavelengths and must be kept extremely cold.
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In a solution, when the concentrations of a weak acid and its conjugate base are equal, ________.
In a solution, when the concentrations of a weak acid and its conjugate base are equal: 1. the -log of the concentration of H+ and the -log of the Ka are equal.
What are Strong acid strong bases ?Any acid that entirely ionises in solutions is considered a strong acid. When positioned, it emits the most hydrogen ions or protons.
It is a substance with the capacity to take a proton out of an extremely weak acid. In water, they can also entirely separate into its ions. Examples include sodium hydroxide and potassium hydroxide (KOH) (NaOH)What are weak acid and weak bases ?Acids that don't entirely dissociate in solution are referred to as weak acids. In other words, any acid that is not a strong acid qualifies as a weak acid. The amount of dissociation determines how strong an acid is; the more dissociation, the stronger the acid.
Weak bases are basic compounds that, when dissolved in solutions, do not entirely separate into their constituent ions.Learn more about Acids and bases here:
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An organic compound was analyzed and found to contain 70. 6% carbon, 5. 9% hydrogen, and 23. 5% oxygen by mass. Additionally, the molar mass of the compound was experimentally determined to be 136 g/mole. What is the molecular formula for the compound? how many grams of mgcl 2 would be required to prepare 250 ml of a 0. 8 m solution of that solute in water? please report your answer to two digits after the decimal place.
The correct answer is C8H8O2.
What is organic compound?Organic combinations are a substance that contains covalently- bonded carbon and hydrogen and often with other ingredients. Organic compounds examples are benzoic Acid, aromatic mixtures, benzoic aldehyde, propanoic acid, butanoic acid, malonic acid, amines, heterocyclic compounds, VOC, benzoic acid, and diethyl malonate.organic compound, any of a large class of chemical combinations in which one or more atoms of carbon are covalently linked to atoms of other elements, most generally hydrogen, oxygen, or nitrogen. The few carbon-containing combinations not categorized as organic comprise carbides, carbonates, and cyanides.Organic compounds important to human functioning include carbohydrates, lipids, proteins, and nucleotides. These mixtures are said to be organic because they include both carbon and hydrogen.To learn more about organic compound, refer to:
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Which salt gives the most basic 0. 1 m solution in water?
a. nacl
b. nano2
c. nh4cl
d. nh4no2
The salt gives the most basic 0. 1 m solution in water is NaNo₂.
What is the base?Basic solutions are those solutions in which the concentration of OH- ion will always be greater as compared to the concentration of H+ ion in the solution.
If the solution is basic so after the dissociation, the formation of a strong base and a weak acid is a must in the solution.
NaNo₂ gets dissociated in water in the form of NaOH and HNO₂ and NaOH is a strong base whereas HNO₂ is a weak acid due to which the solution becomes acidic.
Therefore, salt gives the most basic 0. 1 m solution in water NaNo₂.
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A piston-cylinder device contains helium gas, during a reversible, isothermal process the entropy of the helium will __________ increase.
A piston-cylinder device contains helium gas, during a reversible, isothermal process the entropy of the helium will sometimes increase.
As entropy of an ideal gas depends on pressure and temperature . Hence , entropy change during isothermal process if pressure changes . Enropy changes whenever there is a transfer of heat . The change in entropy is the heat added divided by the temperature at which the transfer took place .
A piston-cylinder is a moving device that is made tight by the piston rings. It moves inside in a cylinder in the form of liquid and later expands and then contracts.
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What is the infusion of a radiopaque contrast medium, barium sulfate, into the rectum?
Infusion of radiopaque contrast medium, barium sulfate, into the rectum is technique used in barium enema.
What is barium enema?Barium enema is technique used for the detection of abnormalities or changes in the large intestine colon via X- rays. The exam is indicated for investigation of
megacolonchronic constigation bleeding in stools Inflammatory bowel diseases.Thus, from above we concluded that the silhouette of the colon. This type of diagnosis is used in the case of adnormal pain, rectal bleeding chronic diarrhea.
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25. 22 the reaction of phenylmagnesium bromide with methyl benzoate followed by acidification produces triphenylcarbinol. what are the sources of phenyl groups in triphenylcarbinol?
Triphenylcarbinol( or triphenylmethanol) gets its phenyl groups from phenylmagnesium bromide.
Synthesis of triphenylcarbinol:
A typical laboratory experiment for demonstrating the Grignard reaction is the synthesis of triphenylmethanol using methyl benzoate, benzophenone, and phenylmagnesium bromide. Diethyl carbonate is a possible starting material.
Characteristics:
An organic substance is a triphenylmethanol. It is a white, crystalline substance that dissolves well in alcohol, diethyl ether, and benzene but not in water or petroleum ether. Due to the creation of a persistent "trityl" carbocation, it generates a bright yellow hue in very acidic solutions. Important dyes include several triphenylmethanol derivatives.Triphenylmethanol has a core tetrahedral carbon atom, three phenyls (Ph) rings, and an alcohol group attached to it. With lengths of around 1.47Å for all three C-Ph bonds and 1.42Å for the C-O link, these connections are characteristic of sp3-sp2 carbon-carbon bonds.Three neighboring phenyl groups give off specific qualities that are reflected in the alcohol's reactivity.Learn more about triphenylmethanol here:
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What term refers to the addition (insertion) or removal (deletion) of one or more coding sequence letters (nucleic acids)?
Frameshift mutation refers to the addition (insertion) or removal (deletion) of one or more coding sequence letters (nucleic acids).
What is frameshift mutation?The insertion or deletion of nucleotide bases in amounts that are not multiples of three is referred to as a frameshift mutation in a gene. This is significant because a cell reads the genetic code for proteins in groups of three nucleotides. These so-called "triplet codons" each stand for one of the 20 different amino acids that go into making a protein.
The entire gene sequence after the mutation will be misread if a mutation alters this regular reading frame. This may lead to the incorrect amino acids being added to the protein or the development of a codon that prevents the protein from getting longer.
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Consider the following balanced equation: 4ZnS + 6O2 Image 4ZnO + 4SO2
Determine the number of moles of zinc oxide produced when 2.5 mol of zinc sulfide is combined with excess O2.
???
Answer:
2.5 moles ZnO
Explanation:
To find the amount of moles, you need to use a mole-to-mole ratio between ZnS and ZnO. The mole-to-mole is made up of the coefficients in the balanced equation.
4 ZnS + 6 O₂ -----> 4 ZnO + 4 SO₂
2.5 moles ZnS 4 moles ZnO
----------------------- x ----------------------- = 2.5 moles ZnO
4 moles ZnS
**While the chemical equation is technically balanced, it does not exist in the smallest mole ratio as possible. Each coefficient can be divided by 2.**
2 ZnS + 3 O₂ -----> 2 ZnO + 2 SO₂
What is the molar solubility of CAF2in pure water at 25°c?
Answer:
1.7x10g per 100cc
Explanation:
The solubility product of Caf, at 25 °C is about X x 10-11 mol/L.
Mike dissolves equal amounts of potassium chloride (KCl) and table sugar (C12H22O11) in the same container of water.
After both substances fully dissolve, what atoms or molecules remain in the water?
A. molecules of KCl and individual atoms of C, H, and molecules of KCl and individual atoms of C, H, and O , ,
B. individual atoms of K and Cl and molecules of C12 H22 O11 individual atoms of K and Cl and molecules of C12, H22, O11, , ,
C. molecules of KCl and C6 H12 O6 molecules of KCl and C6, H 12, O6, , ,
D. individual atoms of K, Cl, C, H, and O
Molecules of KCl and C6 H12 O6 molecules of KCl and C6, H 12, O6, will be present on dissolving equal amount of potassium chloride (KCl) and table sugar (C12H22O11) in the same container of water.
Dissolving the sugar within the water makes a homogenous aggregate and once dissolved an answer is made by the combination of a solute (sugar) and solvent. If a solute is a strong or liquid, growing the temperature will increase its solubility. as an example, greater sugar can dissolve in warm water than in cold water. If a solute is a gasoline, increasing the temperature decreases its solubility.
The solvent is the substance which commonly determines the physical state of the solution (stable, liquid or gas). The solute is the substance which is dissolved by means of the solvent. as an example, in an answer of salt and water, water is the solvent and salt is the solute.A supersaturated solution is an answer that contains greater than the maximum quantity of dissolved solute than a saturated solution below the identical conditions.
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A body was found lying face up in a residence. The body had 4 incised wounds on the trunk centered in the area around the heart and center of the abdomen. The wounds were all about 1.2 inches wide and varied in depth from 4 inches to 6.5 inches. The temperature in the residence was found to be 70° F by both a thermometer and the thermostat setting. The body temperature was measured to be 70°. No rigor mortis was noted in the body. Livor mortis was found on the back and remained dark when pressed. A wound measuring 3 inches by 0.5 inches was found next to a yellow bruise on the eyebrow bone area. Tissue bridges were found in 2 areas of this wound.
Describe how the pH of anti-acid powder can be determined
Describe how solid ammonium chloride can be separated from a mixture of ammonium chloride and anhydrous calcium chloride
please help it's agent
There exist ways in separating mixtures of chloride salts such as that sodium chloride and ammonium chloride. It can be accomplished by crystallization, filtration, or sublimation.
What is pH of Anti-acid powder?
An antacid exists as a substance that neutralizes stomach acidity and stands habituated to relieve heartburn, indigestion, or an upset stomach.
Antacids increase the pH of the stomach contents toward neutrality. An antacid that increases the pH from 1.5 to 3.5 produces a 100-fold decrease in the concentration of gastric acid. Furthermore, the reduction of acidity exists escorted by inhibition of pepsin activity, another essential component of the digestive juice.
There exist ways in separating mixtures of chloride salts such as that sodium chloride and ammonium chloride. It can be accomplished by crystallization, filtration, or sublimation. The easiest approach among the three exists separation by sublimation.
Ammonium chloride sublimes upon heating. The sublimation exists as a decomposition of ammonium chloride forming ammonia and hydrogen chloride.
Sodium chloride on the other hand doesn't sublime and includes a more increased melting point than ammonium chloride. If we want to divide the mixture, we have to heat it to 330-350 degrees Celsius and manage the gas that will be produced.
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Which valid empercal formula below would have one. Five times as much oxygen as there is gold in the substance
Answer:
Au2O3
Explanation:
See attachment.
