Homework Answers
Add Answer to:
11. Define dynamic equilibriunm A) no reactants react B) no products are formed C) the rate...
Which of the following is a true statement about chemical equilibria in general? equilibrium [products] = [reactants].
Which of the following is a true statement about chemical equilibria in general? A. At equilibrium the total concentration of products equals the total concentration of reactants, that is, [products] = [reactants]. B. Equilibrium is the result of the cessation of all chemical change. C. There is only one set of equilibrium concentrations that equals the Kc value. D. At equilibrium, the rate constant of the forward reaction is equal to the rate constant for the reverse reaction. E. At...
11.An aqueous solution of NH4NO3 would be: Select one: a. neutral b. impossible to tell c....
11.An aqueous solution of NH4NO3 would be: Select one: a. neutral b. impossible to tell c. acidic d. basic 12.A given reaction has a Kc value of is 6.25 x 10-4. Select the BEST option below: At the same conditions Qc is found to be 6.25 x 10-3 . Select one: a. the system is at equilibrium b. products are favoured, the reaction proceeds right c. reactants are favoured, the reaction proceeds left d. it is impossible to determine which...
if you could check to see if my answers were correct and help me solve the...
if you could check to see if my answers were correct and help
me solve the one that arent it would be very much apritiated thank
you :)
Which of the following solutions would have the highest pH? Assume that they are all 0.10 Min acid at 25°C. The acid is followed by its ka value. a. HOCI, 2.9 x 10* HOLIH O 6. HC,H,O, 1.3 * 101 C. HNO, 4.6 x 10 d. HCHO, 1.8 * 109 e. HCIO,...
Which of the following statements are true in this equilibrium state? A. The concentrations of reactants...
Which of the following statements are true in this equilibrium state? A. The concentrations of reactants and prodcuts are still changing with time. B. The concentrations of reactants and products are equal. C. The rates of the forward and reverse reactions are equal. D. The rate of the reverse reaction is greater than that of the forward reaction. E. The rate of the forward reaction is greater than that of the reverse reaction.
Food deteriorates more slowly in a refrigerator because
3. Food deteriorates more slowly in a refrigerator because (10.1) A. more reactants are added B. products are removed C. the energy of activation is higher D. fewer collisions have the energy of activation E. collisions have the wrong orientation upon impact 4. A reaction reaches equilibrium when (10.2) A. the rate of the forward reaction is faster than the rate of the reverse reaction B. the rate of the reverse reaction is faster than the rate of the forward reaction C. the concentrations of reactants and products are...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is greater than the concentration of products. b. The concentration of products is greater than the concentration of reactants. The rate of the forward reaction is greater than the rate of the reverse reaction. c. d. The rate of the reverse reaction is greater than the rate of the forward reaction. e. The concentration of products and reactants are about the same. Which of the...
Two reactants, A and B, react to form products C and D. The reaction is shown...
Two reactants, A and B, react to form products C and D. The reaction is shown below: 2 A (g) + B (g) ----> 3 C (l) + C (g) ∆Hfo = ? kJ Given the following heats of formation for reactants and products, what is the heat of reaction (in kJ)? Reactant A: ∆Ηφο = - 314 kJ/mol; Reactant B: ∆Ηφο = - 221 kJ/mol; Product C: ∆Ηφο = - 165 kJ/mol; Product D: ∆Ηφο = -751 kJ/mol
16) How many half-lives are required for the concentration of reactant to decrease to 3.1% of its original value? A...
16) How many half-lives are required for the concentration of reactant to decrease to 3.1% of its original value? A) 2 B) 3 C) 1 D) 5 E) 2.75 17) Calculate the Ksp for silver sulfite if the solubility in pure water is 4.6 x 10-3 g/L. A) 4.8 x 10-10 B) 2.4 x 10-10 91.5 * 10-14 D) 3.8 x 10-15 - 18) Which of the following statements are TRUE? A) The equilibrium constant for the forward reaction is...
Given the equilibrium reaction for a general reaction, A+B <->C, explain what happens to the reactants...
Given the equilibrium reaction for a general reaction, A+B <->C, explain what happens to the reactants and products from time until the time at which the A reaction reaches equilibrium. (Choose any that are correct) Concentration (mol.dm-3) B С Time (s) Once products are formed in a reversible reaction, reactans can not be formed At equilibrium both the reactant and product concentration are the same At time 0, there are no products. At equilibrium all concentrations become constant As the...
A chemical reaction has reached equilibrium when A) the concentrations of reactants and products are equal. B) all...
A chemical reaction has reached equilibrium when A) the concentrations of reactants and products are equal. B) all reactants have been converted to products. all products have been removed from the reaction mixture. D) the catalyst has been used up. E) the rate of the forward reaction equals the rate of the reverse reaction. 6) An equilibrium in which all the components are gases is a A) heterogeneous equilibrium. D) homogeneous B) liquid C) catalytic E) reversible 7) The equilibrium...
11.An aqueous solution of NH4NO3 would be: Select one: a. neutral b. impossible to tell c. acidic d. basic 12.A given reaction has a Kc value of is 6.25 x 10-4. Select the BEST option below: At the same conditions Qc is found to be 6.25 x 10-3 . Select one: a. the system is at equilibrium b. products are favoured, the reaction proceeds right c. reactants are favoured, the reaction proceeds left d. it is impossible to determine which...
if you could check to see if my answers were correct and help
me solve the one that arent it would be very much apritiated thank
you :)
Which of the following solutions would have the highest pH? Assume that they are all 0.10 Min acid at 25°C. The acid is followed by its ka value. a. HOCI, 2.9 x 10* HOLIH O 6. HC,H,O, 1.3 * 101 C. HNO, 4.6 x 10 d. HCHO, 1.8 * 109 e. HCIO,...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is greater than the concentration of products. b. The concentration of products is greater than the concentration of reactants. The rate of the forward reaction is greater than the rate of the reverse reaction. c. d. The rate of the reverse reaction is greater than the rate of the forward reaction. e. The concentration of products and reactants are about the same. Which of the...
16) How many half-lives are required for the concentration of reactant to decrease to 3.1% of its original value? A) 2 B) 3 C) 1 D) 5 E) 2.75 17) Calculate the Ksp for silver sulfite if the solubility in pure water is 4.6 x 10-3 g/L. A) 4.8 x 10-10 B) 2.4 x 10-10 91.5 * 10-14 D) 3.8 x 10-15 - 18) Which of the following statements are TRUE? A) The equilibrium constant for the forward reaction is...
Given the equilibrium reaction for a general reaction, A+B <->C, explain what happens to the reactants and products from time until the time at which the A reaction reaches equilibrium. (Choose any that are correct) Concentration (mol.dm-3) B С Time (s) Once products are formed in a reversible reaction, reactans can not be formed At equilibrium both the reactant and product concentration are the same At time 0, there are no products. At equilibrium all concentrations become constant As the...
A chemical reaction has reached equilibrium when A) the concentrations of reactants and products are equal. B) all reactants have been converted to products. all products have been removed from the reaction mixture. D) the catalyst has been used up. E) the rate of the forward reaction equals the rate of the reverse reaction. 6) An equilibrium in which all the components are gases is a A) heterogeneous equilibrium. D) homogeneous B) liquid C) catalytic E) reversible 7) The equilibrium...
Most questions answered within 3 hours.
-
(2 dimensions, 1 object, 2 accelerations)
1) A projectile is thrown with a wind. The wind...
asked 32 minutes ago -
Brian makes $34,100 per year. How much can Brian expect to
contribute to FICA taxes in...
asked 1 hour ago -
To buy a new house you must borrow $155,000. To do this you take
out a...
asked 1 hour ago -
Spacely Sprockets is evaluating the construction of a new plant
on land the company purchased for...
asked 2 hours ago -
1. Consider a linear regression model of y on K regressors and
an intercept.
(i) Describe...
asked 2 hours ago -
Enter a balanced equation for the reaction between hydrochloric
acid and sodium sulfite.
Express your answer...
asked 2 hours ago -
Give a regular expression describing the language
{x | x ∈ Σ* and x does not...
asked 2 hours ago -
Masses of 1.0 kg, 2.0 kg, and 3.0 kg are each separately subject
to a net...
asked 2 hours ago -
The mode of philosophical argumentation and thought. How do
philosophers think and write? What is important...
asked 2 hours ago -
At the beginning of the unit, you were asked whether you thought
it was appropriate or...
asked 2 hours ago -
Calculate the grams of carbon in 9.32 x 10+23 molecules of
benzene (C6H6).
asked 2 hours ago -
A 5-year Treasury bond has a 4.95% yield. A 10-year Treasury
bond yields 6.6%, and a...
asked 2 hours ago