The subunits of a nucleic acid determine the encoded biological information and affect the structure as they dictate the structural stability of the molecule.
Nucleic acids are basically macromolecules which are very essential for life. They contain simpler subunits which are able to dictate the biological information which is being coded.
These subunits are basically the building blocks and hence they also dictate the structural stability of the nucleic acid. If there is any change in these subunits, it will lead to a change in the biological product that is encoded and also bring about a change in the structure stability of the nucleic acid.
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Considering the relative concentrations of the reactants, briefly explain why the data in the graph are also consistent with the following rate law: rate=k₂[03] [HSO3].
The data in the graph are consistent with the rate law because the rate of reaction increases with an increase in the concentration of O3, and the concentration of HSO3 remains constant.
Why the data in the graph are also consistent with the following rate law?This is due to the fact that the relative concentrations of the reactants are such that the reaction rate is primarily determined by the concentration of O3, while the concentration of HSO3 has a much smaller effect on the reaction rate. Therefore, the rate law is consistent with the observed data.The graph in the question is consistent with the rate law rate=k₂[03] [HSO3], because it shows that the rate of reaction increases as the concentration of both O3 and HSO3 increase. This is due to the fact that the relative concentrations of O3 and HSO3 are important factors in determining the rate of reaction.When the concentration of O3 is increased, the number of collisions between O3 molecules and HSO3 molecules increases, resulting in an increase in the reaction rate. The same is true for HSO3 concentration; as the concentration of HSO3 increases, the number of collisions between HSO3 molecules and O3 molecules increases, resulting in an increase in the reaction rate.Therefore, the rate law rate=k₂[03] [HSO3] is consistent with the data in the graph because the graph shows that the rate of reaction increases as the concentration of both O3 and HSO3 increase. This is due to the fact that the relative concentrations of O3 and HSO3 are important factors in determining the rate of reaction.To learn more about the relative concentrations refer to:
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what is the molar concentration of a solution of i-(aq) if 15.00 ml aliquots are titrated with an average of 28.80 ml of a 0.210 mol/l solution of acidified potassium dichromate?
The molar concentration of the solution of I aq) if 15.00 ml are titrated with the average of the 28.80 ml of a 0.210 mol/l solution of acidified potassium dichromate is 0.40 M.
The concentration of I , C1 = ?
The volume , V1 = 50 mL
The concentration of potassium dichromate , C2 = 0.210 M
The volume , V2 = 28.80 M
The expression is given as :
C1 V1 = C2 V2
C1 = C2 V2 / V1
C2 = ( 0.210 × 0.02880 ) / 0.015
C2 = 0.40 M
Thus, the concentration of the solution is 0.40 M.
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Determining the order of a reactant 1) Sort the following sets of observations as zero, first and second order. Initial Rate ConcInitial Rate Conc ?M) 0.1 0.3 Order: Conc Initial (M) |Rate 0.1 0.3 Order: | (M/s) 0.010 0.090 (M/s) 0.0125 0.00378 0.10 0.30 Order: 0.00378 0.0375 Complete the following statements about the effects on the rate of the reaction when the following changes are made a) In a first order reaction increasing the concentration by 2 b) In a second order reaction increasing the concentration by 2 c) In a zero order reaction increasing the concentration by 2
a) The rate of the reaction doubles when the concentration of reactants increased by 2.
b) The rate of the reaction quadruples when the concentration of reactants increased by 2.
c) The rate of the reaction does not change when the concentration of reactants increased by 2.
We know that rate is proportional to the concentration of reactants raised to their respective order.
i.e. Rate(R) = k [M]ˣ
Where k = rate constant and x = order of the reaction.
For Case 1: M₁(initial) = 0.1 M ; R₁(initial) = 0.0125 M/s
and M₂(final) = 0.3 M ; R₂(final) = 0.0375 M/s
So, R₁/R₂ = [M₁]ˣ/[M₂]ˣ
⇒ 0.0125/0.0375 = (0.1/0.3)ˣ
⇒ 1/3 = (1/3)ˣ
⇒ x = 1
Therefore, it is a first-order reaction.
For Case 2: M₁(initial) = 0.1 M ; R₁(initial) = 0.01 M/s
and M₂(final) = 0.3 M ; R₂(final) = 0.09 M/s
So, R₁/R₂ = [M₁]ˣ/[M₂]ˣ
⇒ 0.01/0.09 = (0.1/0.3)ˣ
⇒ 1/9 = (1/3)ˣ
⇒ x = 2
Therefore, it is a second-order reaction.
For Case 1: M₁(initial) = 0.1 M ; R₁(initial) = 0.00378 M/s
and M₂(final) = 0.3 M ; R₂(final) = 0.00378 M/s
So, R₁/R₂ = [M₁]ˣ/[M₂]ˣ
⇒ 0.00378/0.00378 = (0.1/0.3)ˣ
⇒ 1 = (1/3)ˣ
⇒ x = 0
Therefore, it is a zeroth-order reaction.
a) The rate of the reaction doubles when the concentration of reactants increased by 2.
b) The rate of the reaction quadruples when the concentration of reactants increased by 2.
c) The rate of the reaction does not change when the concentration of reactants increased by 2.
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How many mole of copper are preent in a ample of tennantite with a ma of 2130 gram
In a sample of tennantite with a mass of 2130 grams, there would be a total of 0.1477 moles of copper.
Tennantite is a sulfide mineral composed of copper, iron, arsenic, and sulfur. It is a member of the chalcopyrite group and is found in hydrothermal deposits, where it is formed under high-temperature and low-pressure conditions.
The molar mass of tennantite is 407.38 grams per mole and the formula is Cu12As4S13.
To calculate the amount of copper in a sample of tennantite with a mass of 2130 grams, divide the sample mass by the molar mass of tennantite:
2130 g / 407.38 g/mol = 0.1477 moles of copperTherefore, a sample of tennantite with a mass of 2130 grams contains 0.1477 moles of copper.
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explain why the conducting nanoparticles are strongly attracted to the electrodes while other components of the blood are not.
Conducting nanoparticles are strongly attracted to the electrodes because of electrostatic forces.
The nanoparticles have a net charge that is attracted to the oppositely charged electrodes. Other components of the blood, such as cells, proteins, and other molecules, are not strongly attracted to the electrodes because they are not electrically charged.
Additionally, these components can interact with the nanoparticles, either by forming physical bonds with them or by affecting their electrical properties. These interactions can also cause the components to move towards the electrodes.
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Consider the following bond lengths:c-0 = 143 pm, c=0 = 123 pm, c(triple bond) = 109 pm in a carbonate ion, all three c-0 bonds have the same length of 136 pm. why?
In a carbonate ion, the all three C - O bonds have the same length of 136 pm because the all resonance hybrid have the same bond order.
In the carbonate ion, CO₃²⁻ has the resonance structure. The total possible resonance structures are three in the carbonate ion. In the resonance structure of the carbonate ion , the all the C - O bonds have the partially double bond character. Therefore all the resonance hybrid , C - O bonds have the same bond order.
Thus, the all the three C - O bonds in the carbonate ion are same that is 136 pm.
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There is a trend in the melting and boiling points of these elements. Use the to predict the following: a the melting point of sodium
In a period, the melting and boiling point first increases and then decreases. In a group of metals, it goes on decreasing in general but in non-metals it goes on increasing. There is no regular trend in melting and boiling points.
Sodium is a chemical element with atomic number and atomic mass 23, its is Na. Its melting point is 370.87k, 97.728°C, 207.9°F.
Melting Point: The melting point of a substance is the temperature at which its solid and liquid phases are in balance. It is the energy require to breaking a few bonds. Thus, higher the stronger the bond between the atoms, the higher will be the melting point.
Boiling Point: The boiling point of a substance is the temperature at which its vapour pressure equals the external pressure. The boiling point depends on the heat energy required to create a transition from liquid to gaseous state.
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The melting and boiling points increase and then decrease over time. While it decreases across a group of metals, it continues to rise in non-metals. The melting and boiling points do not follow any predictable pattern.
The chemical symbol for sodium is Na, and it has an atomic weight of 23. It has a melting point of 370.87k, or 207.9°F, or 97.728°C.
Melting point:- The temperature at which a substance's solid and liquid phases are in equilibrium is known as its melting point. The energy needed to break a few bonds is this—therefore, the higher the melting point, the stronger the bond between the atoms.
Boiling point:- The boiling point of a substance is the temperature at which its vapor pressure equals the external pressure. The boiling end depends on the heat energy required to transition from liquid to gaseous state.
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the molar mass of hydrogen gas is 2.0g/mole. what is the rms speed of a hydrogen gas molecule at 42oc?
The rms speed of a hydrogen gas molecule at 42° C is 723.118 m/s.
The root-mean-square voltage can be calculated from the formula V(rms)=√(3RT/M) is the RMS velocity of gas molecules, where R is the universal gas constant, T is the gas's temperature, and M is the gas's molecular mass.
Temperature = 42° C
Molar mass = 2 g/mole = 2 × 10⁻³ kg
The rms speed is calculated by, V(rms) = √(3RT/M)
Substituting the values,
V(rms) =√ {(3 × 8.3 × 42)/(2 × 10⁻³)}
⇒V(rms) = √ {1045.8 / 2 × 10⁻³}
⇒V(rms) = √(522.9 × 10³)
⇒V(rms) = 723.118 m/s
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Two isothermal CSTRs are in series for the 1st-order reaction A → B. Based on the reactor setup below, estimate how the volume of reactor #2 compares to that of reactor #1. (5 points) AO 0.6 A0 0.2 CAo a) Vi> V2 e) V2-10V Question i When the temperature of a reaction increases the rate of that reaction will also increase. When the temperature is increased from 30 to 80°C, the rate of reaction increases by approximately how much? (5 points) Question 4 The following reaction follows an elementary rate law If concentrations are to be measured in lb-mol/ft and the flow rates are in lb-mol/sec what are the nits on the rate constant (k)? (5 points)
Based on the information provided, the volume of reactor #2 in comparison to reactor #1 cannot be approximated. Based on the facts provided, the increase in response rate.
owing to a temperature rise from 30 to 80°C cannot be approximated. If concentrations are measured in lb-mol/ft and flow rates are recorded in lb-mol/sec, the rate constant (k) units are (lb-mol/ft)/(lb-mol/sec). Two isothermal CSTRs are in series for the 1st-order reaction A → B. Based on the reactor setup below, estimate how the volume of reactor #2 compares to that of reactor #1. (5 points) AO 0.6 A0 0.2 CAo a) Vi> V2 e) V2-10V i When the temperature of a reaction increases the rate of that reaction will also increase. When the temperature is increased from 30 to 80°C.
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Which one of the following is not true of metallic bonding?
a. it gives rise to excellent electrical conductivity
b. electrons are free to move throughout the structure
c. the strength of metallic bonds increases down a group
d. the strength of metallic bonding affects the boiling point of metal
The natural abundance of ¹³C is 1.1%. Which of the following molecular formulas gives an M+1 peak in the mass spectrum that is 10% of the height of the peak for M⁺? a. C₁₀H₁₂O₂ b. C₁₀H₂₂O c. C₉H₁₄O₂ d. C₁₇H₁₀O₃
The correct answer is C10H22O. It gives an M+1 peak in the mass spectrum that is 10% of the height of the peak for M⁺.
This is because 1.1% of carbon atoms are 13C atoms, and when 13C is present in a molecule, it will cause an increase in the m/z of the molecular ion. The peak for the M+1 ion in mass spectrum, which contains an additional 13C atom, will therefore be 10% of the height of the peak for the M+ ion.
When 1.1% of the carbon atoms in a molecule are 13C atoms, the molecular ion (M+) will have an additional 13C atom in it, creating an M+1 ion. The M+1 ion will be 10% of the height of the peak for the M+ ion due to the increased mass of the molecule. This is because the mass-to-charge ratio (m/z) of the M+1 ion is greater than that of the M+ ion, and so it will be more easily detected in the mass spectrum
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facilities must be provided for flushing and neutralizing spilled electrolytes when changing or recharging the battery of a powered industrial truck in order to:
Facilities shall be provided for flushing and neutralizing spilled electrolyte when changing or recharging the battery of a powered industrial truck in order to protect from fire.
Battery charging installations shall be located in areas designated for that purpose. Charging apparatus shall be protected from damage by trucks. When batteries are being charged, the vent caps shall be kept in place to avoid electrolyte spray. Vent caps shall be maintained in functioning condition.
Fire extinguishers are a common accessory in all buildings. Type ABC Fire Extinguishers can handle a variety of fire types, including liquid, gas, and electrical. That can be a literal lifesaver when accidents happen in the battery room.
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A sample of a unknown gas from a cylinder is collected over water in the apparatus shown above. After all the gas sample has been collected, the water levels inside and outside the gas collection tube are made the same. Measurements that must be made to calculate the molar mass of the gas include all of the following EXCEPT
By balancing the water levels, the pressures are also balanced, ensuring that the total pressure in the flask is atmospheric and does not include a contribution from the pressure caused by the height of the water column.
Why should the level of water inside and outside the flask be equal?Most gases, when they are at ambient temperature and pressure, follow the ideal-gaw law equation, PV=nRT. Although there are slight variations from this, the van der Waals equation (P+(n2a/V2))(V-nb)=nRT is utilized since it takes these variations into account. A larger range of temperatures and pressures are also applicable. The gas constants in the equation are a and b. Intermolecular attractions are taken into account via the (n2a/V2) term, which is the correction for the molecules' finite volume.Recorded in units of L-atm/mol-K, the gas constant is known as R. R can be calculated for an enclosed oxygen sample by applying the ideal-gas law and van der Waals equation. To create KCl and O2, KClO3 interacts with MnO2. Dalton's rule of partial pressures is then used to determine the pressure of the gas O2, which may then be used with the ideal-gas law and van der Waals equation to determine R.To Learn more About balancing the water Refer To:
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which reagent would you use as the basis for a simple chemical test that would distinguish between toluene and vinylbenzene (c6h5ch=ch2)?
[tex]Br_{2}[/tex] in [tex]CCl_{4}[/tex], vinyl benzene will decolorize [tex]Br_{2}[/tex] but phenol will not
There aren't any alternating double and single bonds in benzene (as Lewis structures might imply). A p-orbital on each of benzene's six carbons interacts to generate a pi bond that is delocalized around the entire ring. The delocalization would be destroyed by "adding across the multiple bond" processes, which benzene does not experience.
In fact, substitution reactions do occur with benzene. The bromine water would become discolored if benzene and bromine could react to form phenyl bromide.Any of a class of chemical reactions known as substitution reactions involves the replacement of an atom, ion, or group of atoms or ions in a molecule with a different atom, ion, or group. Depending on the kind of atom or group that serves as the substituent, substitution reactions can be categorized into three general categories. One has a substituent that is rich in electrons and supplies the electron pair needed to make a bond with the substrate (the molecule being transformed). Nucleophilic substitution is the name for this kind of reaction.
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how many atoms are in a simple cubic (primitive cubic) unit cell?
There are eight atoms present in a simple cubic unit cell but only a net single atom present in it.
The simple cubic unit cell is basically the simplest repeating unit present in a simple cubic structure. Each of the corners of this simple unit cell are defined by a particular lattice point at which a particular atom, ion, or molecule can be found in the given crystal.
Each of the eight corners present in the unit cell therefore contains an identical particle. The remaining particles would be present on the edges or on the faces of the unit cell, or we can say within the body of the unit cell. There are 8 atoms but each of them only contributes to one eight of the atom and so the net atom is only 1. (8 × 1/8 = 1)
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what will produced if fecl2 mix with soap solution
The reaction between FeCl2 and soap solution produces iron(III) chloride soap, which is a coordination compound.
When iron(II) chloride (FeCl2) is mixed with soap solution, a reaction occurs that produces iron(III) chloride soap, which is a coordination compound. This reaction takes place because the soap molecules act as ligands, coordinating to the iron ion and forming a complex. The formation of the complex results in the precipitation of a solid that is the iron(III) chloride soap.
The soap molecules in the solution are typically composed of long-chain fatty acids that can coordinate to the iron ion through oxygen atoms present in the carboxyl groups of the fatty acids. The iron ion and the soap molecules form a coordination bond, resulting in the formation of the iron(III) chloride soap complex.
This reaction is often used in the laboratory to demonstrate the formation of coordination compounds and to illustrate the concept of ligand coordination. The reaction is also used in various industrial applications, such as water treatment, where iron(III) chloride is used to remove impurities from water.
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Explain how you would calculate the total change in bond energy for the reaction h2 cl2 -> 2hcl. how would you know if the reaction was endothermic or exothermic? state your answer in 3-5 sentences.
Subtract the bond energy of the products from the bond energy of the reactants to find the overall change in bond energy for the reaction H2(g) + Cl2(g) -> 2HCl(g).
Connection energy is the amount of energy needed to break a chemical bond. Reference tables include the bond energy values for each bond in the reactants and products.
The reaction is exothermic (release energy) if the bond energy of the products is larger than the bond energy of the reactants, and the difference indicates the quantity of energy released. If the product bond energy is smaller than the reactant bond energy, the reaction is endothermic (absorbs energy), and the difference denotes the quantity of energy absorbed.
As a result, if the computed total change in bond energy is negative, the reaction is exothermic; otherwise, it is endothermic.
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which integumentary manifestations can be noticed in a client with a serum creatinine value of 7
At a serum creatinine value of 7, the integumentary manifestations which will be noticed are the pruritus, ecchymosis, uremic frost.
The normal range of blood urea nitrogen or the BUN/creatinine ratio is 6 to 25. If the BUN/creatinine ratio is a higher value as compared to the normal, then the client may have complications such as fluid volume deficit as well as obstructive uropathy.
Elevated levels of serum creatinine and BUN levels are indicative of chronic kidney disease. When the serum creatinine value is around 7 the integumentary manifestations that we can observe include pruritus, ecchymosis and uremic frost,
We can also observe decreased skin turgor, dry skin, yellow-gray pallor, purpura, and soft-tissue calcifications.
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what is the central molecule in hcoh
The central atom in CHOH is carbon as carbon is more electropositive as compared to oxygen.
Hence, the correct option is option a.
Formaldehyde is basically an organic compound which has the chemical formula CH₂O which appears as a colorless gas. It is the most common and also the simplest aldehyde.
It consisting of two hydrogen atoms, one carbon atom and one oxygen atom. In the valence or the outermost shells of the HCHO molecule, there are six pairs of electrons. Oxygen is a more electronegative element as compared to carbon and has a tendency to pull electrons towards itself. Therefore, carbon being more electropositive, will be the central atom in the molecule.
--The given question is incomplete, the complete question is
"Which of the following is central atom in HCOH?
a. Carbon
b. Oxygen
c. Hydrogen
d. Cannot be determined?"--
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what environmental advantages does the use of carbon dioxide as a blowing agent have over the use of cfcs and hydrocarbons
The use of carbon dioxide as a blowing agent has several environmental advantages over the use of CFCs and hydrocarbons.
Carbon dioxide is a naturally occurring gas and is non-toxic, non-flammable, and non-ozone depleting. It is also more energy efficient than its alternatives, resulting in lower energy costs.
Additionally, the use of carbon dioxide as a blowing agent reduces the need for other more harmful blowing agents, helping to reduce the environmental impact of their production and use.
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A Grignard reaction will fail in the presence of which species?
A diethylether
Balkenes
C aromatic groups
D water
The Grignard reaction will fail in the presence of water as the Grignard reagent will get destroyed by reacting with acidic hydrogen atoms of water.
Hence, D. water is the correct option.
The Grignard reaction is basically an organometallic chemical reaction which involves a Grignard reagent. A Grignard reagent is the alkyl, vinyl, allyl, or aryl-magnesium halides. It is reacted with a particular carbonyl group which is in an aldehyde or in a ketone. This reaction is crucial for the formation of the carbon–carbon bonds.
The Grignard reagent tends to get destroyed by the reaction with acidic hydrogen atoms present in the water, phenols, alcohols, or in the carboxylic acid groups. Therefore, Grignard reaction fails in the presence of water.
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In general, metals are characterized by which of the following properties (three best answers): A) brittleness B) chemical inertness C) electrically insulating D) high electrical conductivity E) high hardness F) high thermal conductivity G) low density H) low thermal conductivity
In general, metals are characterized by the listed metals (A) brittleness, (D) high electrical conductivity, (F) high thermal conductivity
1) Brittleness: Metals are known to be brittle, which means they have low ductility and tend to break or crack when subjected to stress, instead of deforming plastically. This property is due to the metallic bonding between atoms, which creates a rigid structure that is not easily deformed.
2) High electrical conductivity: Metals are good electrical conductors, meaning they allow electricity to flow easily through them. This property is due to the presence of free electrons in the metal's structure, which are able to move and carry electrical charges.
3) High thermal conductivity: Metals have high thermal conductivity, meaning they can easily transfer heat from one point to another. This property is due to the metallic bonding between atoms, which allows for efficient transfer of heat-carrying phonons throughout the metal's structure. This makes metals good choices for many industrial applications that require efficient transfer of heat, such as in electrical equipment, heat exchangers, and heat pipes.
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analytical chemistry covers a wide variety of topics. what are the list of topics that could be covered? group of answer choices acid/base chelation oxidation-reduction precipitation equilibria absorption spectroscopy gas chromatography liquid chromatography electrochemical methods
There are two types of chemical analysis:
Qualitative analysis - used to find out if a substance is present in a sample. An example of this type of analysis is a combustion test. Quantitative analysis - used to determine the amount of substance in a sample.
To develop an understanding of the range and application of analytical methods in chemistry.
Gain a better understanding of the role of chemistry in quantitative analysis. Gain an understanding of the broader role of the chemist in measurement and problem-solving of analytical tasks. Analytical chemistry has four main branches that are relevant for application in different scientific fields.
These fields are spectroscopy, acid-base methods, potentiometry, and chromatography. Analytical chemistry covers a wide range of topics. What is the list of topics that can be covered? Answer options Acid-base chelation Redox Precipitation equilibrium Absorption spectroscopy Gas chromatography Liquid chromatography Electrochemical methods.
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a phase diagram for elemental carbon is shown below. if the temperature of a sample of carbon increases from 3000 k to 5000 k at a constant pressure of 85 atm, which phase transition would occur?
If the temperature of a sample of carbon increases from 3000 K to 5000K at a constant pressure of 10^6 Pa, phase transition that would occur is sublimation. (Option D)
Sublimation refers to the phase transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase. It is an endothermic phase transition that happens at temperatures and pressures which are below the triple point of a chemical in the phase diagram.
Carbon is in the solid graphite form at 10^6 Pa and 3000 K. If the pressure is kept constant and the carbon is heated to 5000 K, the graphite will convert into carbon gas. Hence, the change from a solid to a gas is sublimation.
Note: The question is incomplete. The complete question probably is: phase diagram for elemental carbon is shown below. If the temperature of a sample of carbon increases from 3000 K to 5000 K at a constant pressure of 10^6 Pa, which phase transition would occur? A) melting B) freezing C) condensation D) sublimation E) boiling
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nacl is an ionic compound. in this compound, sodium's one valence electron is transferred over to chlorine. how is chlorine able to take sodium's electron?
The NaCl in an ionic compound. In this sodium's one valence electron is transferred over to the chlorine. The chlorine is a non metal and have tendency to accept electrons and chlorine needs one electron.
The metal have tendency to donate the electrons and the non metal have tendency to to accept the electrons. The ionic bond is form between the metal and the non metal by the complete transfer of the electron .
Thus, the sodium donate its electron and form the Na⁺ and the chlorine accept the electron and form the Cl⁻. The ionic bond is form between the the positive charge and the negative charge.
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2. it is important to make certain that there is no air bubble in the tip of the buret below the stopcock before the initial reading of the liquid level in the buret is taken. if a 0.5-ml air bubble is present in the tip of a buret, calculate what percent error in a 40-ml sample will result if the air bubble is dislodged during the dispensing of the sample?
Answer:
To calculate the percent error, you need to know the volume of the air bubble and the volume of the sample being dispensed. In this case, the volume of the air bubble is 0.5 mL and the volume of the sample is 40 mL.
To find the percent error, you can use the following formula:
(Volume of air bubble / Total volume) x 100 = Percent error
Plugging in the values, we get:
(0.5 / 40) x 100 = 1.25%
So if a 0.5-mL air bubble is present in the tip of a buret and it is dislodged during the dispensing of a 40-mL sample, the percent error in the sample will be 1.25%. This means that the actual volume of the sample dispensed would be off by 1.25% of the intended volume.
Calculate the number of moles of H3PO4 that react with 4.7 moles of K. (use a mole ratio)
Answer: 1.57 moles of H3PO4 react with 4.7 moles of K.
Explanation: To calculate the number of moles of H3PO4 that react with 4.7 moles of K, you need to use a mole ratio between H3PO4 and K. The balanced chemical equation for this reaction is:
H3PO4 + 3K → K3PO4 + 3H2
From the balanced equation we can see that for every 1 mole of H3PO4 that reacts, it consumes 3 moles of K. This relationship is known as the mole ratio.
To find out the number of moles of H3PO4 that react with 4.7 moles of K, we can use the following formula:
moles of H3PO4 = (moles of K) / (mole ratio of K to H3PO4)
Substituting in the given values, we get:
moles of H3PO4 = (4.7 moles) / (3 moles/1 mole) = 1.57 moles
Are there any other way to find isotopes besides mass? If so what are they?
There are other ways to find isotopes besides mass including :
Isotopic abundance ratioNuclear magnetic resonance (NMR) spectroscopyGamma spectroscopyHow can isotopes be found ?There are several ways to find isotopes such as Isotopic abundance ratio. This method measures the ratio of isotopes in a sample by analyzing the ratio of their abundances.
There is also Nuclear magnetic resonance (NMR) spectroscopy which is a method that uses the magnetic properties of nuclei to identify the different isotopes of a particular element. Gamma spectroscopy uses the energy of gamma rays emitted by the isotopes to identify them.
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what will be the amount of sugar in milligrams if the size of the milk chocolate bar is reduced from 14.00 g to 5.000 g ? express your answer in milligrams to four significant figures.
The amount of sugar if the size of the milk chocolate bar is reduced from 14.00 g to 5.000 g is 3,214.3 mg sugar
You must know how much sugar is already in the chocolate bar in order to answer this problem. From there, we can perform the necessary computations.
We must first calculate the amount of sugar in milligrams per gram of chocolate bar in order to arrive at the solution. By using the conversion factor below, we can determine that:
9.00 g sugar x 1000 mg = 642.86 mg sugar/ g chocolate
14.00 g chocolate 1 g
5.000 g chocolate x 642.86 mg sugar/ 1 g chocolate = 3,214.3 mg sugar
Your question is incomplete but most probably your full question was
A 14.00 g milk chocolate bar is found to contain 9.00 g of sugar.
Part B. What will be the amount of sugar in milligrams if the size of the milk chocolate bar is reduced from 14.00 g to 5.000 g ?
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identify x in the following nuclear reactions: (a)1h 9be → x n; (b)12c 1h → x; (c)15n 1h → 4he x.
The following nuclear reactions occur: 1h + 9be x + n (a) The resultant isotope of the process is represented by x. (b) 12c + 1h → x (15n + 1h 4he + x) The resultant isotope.
of the process is represented by x. Nuclear reactions are changes to an atom's nucleus that result in the production of new isotopes and/or the release of energy. They can happen naturally or be caused by blasting the nucleus with particles or radiation. Nuclear processes are classified into two types: nuclear fusion and nuclear fission. Nuclear fusion occurs when two light atomic nuclei unite to produce a heavier nucleus, releasing a significant quantity of energy. A heavy nucleus is divided into two lighter nuclei in nuclear fission, releasing a tremendous quantity of energy.
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