Explain a condition that could be changed in a system that would increase the amounts of products at equilibrium and explain why this happens.

Q: O THERMOC Understanding the definition of enthalpy Measurements show that the energy, of a mixture o...

A: here we are required to find the enthalpy change of the reaction and determine the nature of reactio...

Q: Calculate the equilibrium concentration of HC204 in a 0.20 mol L-1 solution of oxalic acid. Express ...

A: Given data, molarity of oxalic acid= 0.20 M  Ka of oxalic acid= 5.37 *10-2 

Q: Will HNO2 act as a Bronsted-Lowry acid or base when reacting with water?

A: Identify Bronsted Lowry acid or base ---

Q: A 1.06 den silk fiber has reached its maximum tenacity value. How many grams (force) would it take ...

A: Given: Specification of silk fiber = 1.06 den It has reached maximum tenacity value. We know that,  ...

Q: 9. C,HO (Propanone) 10. C,H10 11. С, Н,Он (Isopropanol) 12. C,H,,0 (Pentanone)

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Q: A sample of a mixture of oxalic acid, H2C2O4, and sodium chloride, NaCl, has a mass of 4.554 g. If a...

A: Given: Mass of mixture = 4.554 g Volume of NaOH = 29.58 mL Molarity of NaOH = 0.550 M Known: Molar m...

Q: The percentage yield of the following reaction is consis- tently 87%. CH,(g) + 4 S(g) →CS;(g) + 2 H,...

A: The percent yield of the reaction is = 87 % The required mass of carbon disulfide is = 80.0 g

Q: A mixture of helium and argon gas is compressed from a volume of 97.0 L to a volume of 46.0 L, while...

A: Given that, Pext=38.0 atm  V1=97.0 L  V2= 46.0 L  Then,  

Q: Balancing using only oxidation number method. Please show complete steps in balancing. Don’t skips i...

A: The solution is as follows:  

Q: Describe the two characteristics of water that cause it to evaporate more slowly than other liquids....

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Q: 6) Classify the compound below as aromatic, antiaromatic, or nonaromatic. Assume planarity of the n ...

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Q: Determine the pH of a 0.13 M solution of pyridinium nitrate (C5H5NHNO3) at 25°C. [Pyridinium nitrate...

A: Determine the pH of a 0.13 M solution of pyridinium nitrate

Q: Molecular

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Q: 4.40 When iron and steam react at high temperatures, the fol- lowing reaction takes place: 3 Fe(s) +...

A: Given:  Mass of Fe3O4 = 897 gm  %yield of the reaction = 69 %   

Q: 4. When the following redox reaction is correctly bala Cl2 + MnO2 (s) → CIO3 + Mn2+ (aci what is the...

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Q: Draw the structure of compound C4H9COCH3C4H9COCH3 to show all individual atoms and all covalent bond...

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Q: At 300 K consider a colloidal solution, M = 150 kg/mol, in a gravity field. If the concentration of ...

A: Temperature = 300K Mol mass = M = 150kg/mol Colloid concentration at top = Mtop = 0.0008M Colloid co...

Q: dispersion forces

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Q: Kc

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Q: e mass

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: Compare and contrast a frozen freezer pop with one that is still in the liquid state. Describe the m...

A: In a substance, the state of the matter or the phase of the substance depends on the arrangement of ...

Q: The unit cell of the tetragonal (a = b not equal to c) phase of a Ni and Nb alloy is given below a. ...

A: In the given tetragonal unit cell of Ni and Nb alloy, we have to determine whether it consists of an...

Q: Which reaction had the larger change in energy, the reaction with hydrochloric or acetic acid. Why i...

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Q: 5. Determine the boiling point of a solution of 10 grams of a substance of molecular weight 94 g/mol...

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Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for denta...

A: Chemical reactions can be added, subtracted, or multiplied like an algebraic equation.

Q: Using tabulated K, and Kg values, calculate the pH of the following solutions. Answer to 2 decimal p...

A: Given,  The volume of HOCl = 95.00 mL Molarity of HOCl = 1.100 M The volume of NaOH = 40.00 mL Molar...

Q: Relate boiling point to molar heat of vaporization.

A: Given, The two terms which have to relate each other are boiling point and molar heat of vaporizatio...

Q: One term in a balanced chemical equation contained the coefficient 11 in front of the formula Al2(SO...

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Q: octane is combusted ide may form If 100

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Q: 12. The process of nuclear decay is a first order reaction. True / False

A: The process of nuclear decay is radioactive atoms start decaying with time. This process follow firs...

Q: sodium peroxide

A: In this question we have to explain that what is the purpose of adding excess sodium peroxide in In ...

Q: What would be the net equation of sodium hydroxide with added sodium hydrogen phosphate?

A: Since you have asked multiple question, as per our company guidelines are supposed to answer the fir...

Q: e. 85.0 g of P,O,. f. 40.0 g of CO,. g. 2.92 g of NaHCO,.

A: Note: As per company policy we are supposed to attempt first three subparts only.

Q: dp (b) %3D

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Q: H+ concentration

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Q: Please answer fast At equilibrium, the ratio of D-glucose anomers is 1.85:1.00 (β: α) at 25 °C. Wha...

A: Given:- At equilibrium, the ratio of D-glucose anomers is 1.85:1.00 (β: α) at 25 °C.   To find:- Wha...

Q: Consider the following set of quantum numbers: n = 0, l = 1, m(l) = 0, and m(s) = +½. This is NOT a ...

A: Given set of quantum number : n = 0, l = 1, m(l) = 0, and m(s) = +½. We need to identify the wrong q...

Q: thermometer A 57.0 g sample of iron is put into a calorimeter (see sketch at right) that contains 30...

A: Given :  Mass of iron sample = 57.0 gm  Mass of water = 300 gm  Initial temperature of iron sample =...

Q: MnO, + Fe+2 + H+ → Mn++ 4 + Fe3+ + H20

A: Answer: There are two methods to balance a redox reaction: 1. Ion-electron method 2. oxidation numbe...

Q: 5.For the compound below, calculate the chemical shifts in the expected 'H NMR spectrum for position...

A: The chemical shift values for protons increase when there are electron withdrawing groups present in...

Q: Draw all the possible stereoisomerism for following structures. Label the chiral centre with an aste...

A: Chiral center is the carbon atom attached to four different atoms or groups. The total number of ste...

Q: Which of the following reactions is/are endothermic? Choose ALL that apply. a. C(s) + O2(g) → CO2(g)...

A: Identify the reaction is exothermic or endothermic ----

Q: Lattice Structures of Atomic Solids Layering We will begin this activity by looking at the layering ...

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Q: Understanding the definitions of heat and work A mixture of gaseous reactants is put into a cylinder...

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Q: 2. Which of the following accurately describes the conditions of an open system? a. Both energy and ...

A: Open System: The statement which describes the conditions of an open system. Is  a) Both energy and ...

Q: 11. Which of the following statements are true regarding an acid-base indicator? (Select all that a...

A: a.  its colour changes at the equivalence point of any acid-base titration

Q: What is the major product of the following reaction? ОН H+ + (еxcess) HO

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Q: Nitrogen-13 has a biologic half-life of 2.84 minutes and emits positrons.    If a patient is injecte...

A: Initial concentration of nitrogen-13 = 500.0 micrograms  Half- life = 2.84 minutes  Half-life means ...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

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Q: Consider the reaction: CO2 (g) + H2 (g) → CO (g) + H2O (g) ,for which Kc=0.64 at 900 K. If the initi...

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