Homework Answers
Add Answer to:
explain why please
3. Consider the following equilibrium for nitrous acid, HNO2, a weak acid: HNO3(aq)...
Consider the following equilibrium for nitrous acid, HNO2, a weak acid: HNO2 (aq) + H2O (l)...
Consider the following equilibrium for nitrous acid, HNO2, a weak acid: HNO2 (aq) + H2O (l) <--------------> H3O+ (aq) + NO2- In which direction will the equilibrium shift if a) NaOH is added? b) NaNO2 is added? c) HCl is added? d) The acid solution is made more dilute?
Consider the buffer solution: HNO3(aq) + H2O(1) - NO2 (aq) +H30*(aq) What happens to the concentrations...
Consider the buffer solution: HNO3(aq) + H2O(1) - NO2 (aq) +H30*(aq) What happens to the concentrations of HNO2 and NO2 when a small amount of acid is added to the solution?
The equilibrium constant for the equation HNO3(aq) + H2O(l) = H, 0+ (aq) + NO2 (aq) is Kg = 5.6 x 10-4 M at 25.0 °C. Ca...
The equilibrium constant for the equation HNO3(aq) + H2O(l) = H, 0+ (aq) + NO2 (aq) is Kg = 5.6 x 10-4 M at 25.0 °C. Calculate the value of AGixn at 25.0 °C for nitrous acid when [NO2] = [H3O+] = [HNO2] = 1.00 M. AGixn = kJ/mol Will the acid spontaneously dissociate under these conditions? O no O yes Calculate the value of AGrxn for nitrous acid when [NO, ] = [H,O+] = 7.13 x 10- M and...
2. (9 pts) The three reactions below are all at equilibrium simultaneously in solution. Ca²+ (aq)+C,0%...
2. (9 pts) The three reactions below are all at equilibrium simultaneously in solution. Ca²+ (aq)+C,0% (aq) +CaC,0,(s) H,C,D,(aq)+H'(aq) + HC,D,(aq) HC,07(aq) + H+ (aq)+C,0; (aq) a. If HNO3 is added to this solution, would you expect to see more or less of the precipitate (CaC204) formed in the solution? Explain your reasoning by showing the effect of the addition of HNO3 on the equilibrium for the reaction. b. If Ba(OH)2 is added to this solution, would you expect to...
(Set 2) Practice Problems in Equilibrium All weak acids use this generic equation: HA(aq)+ H2O() A (aq) + H30*(aq) And...
(Set 2) Practice Problems in Equilibrium All weak acids use this generic equation: HA(aq)+ H2O() A (aq) + H30*(aq) And all weak bases use this one: B(aq)+ H2O(I) = BH*(aq)+ OH'(aq) Part A: Finding K, or Kb 3.012? What is the value of Ka for a weak acid if a 1.44 M solution has a pH 1. 2. A weak acid is 0.00987 M, but is found to be 25.5 % ionized. What is the pH? 3. The pH for...
1. Write the equilibrium constant expression for the reaction N2 (g) + 3 H2 (g) D ...
1. Write the equilibrium constant expression for the reaction N2 (g) + 3 H2 (g) D 2 NH3 (g) 2. For the reaction in question 1, delta H = -92 kj*mol^-1 Predict the direction of shift of the equilibrium of the above reaction caused by adding N2 at constant volume and temperature removing H2 at constant volume and temperature adding N2 at constant volume and temperature raising the temperature at constant total pressure 3. Hydrogen fluoride (HF) is a weak...
Chat Consider the following reactions. Adiprotic acid H2A will react with water as shown in the...
Chat Consider the following reactions. Adiprotic acid H2A will react with water as shown in the following reactions. What is the value of K2? H2A(aq) + H2O(1) <=> H30+(aq) + HA (aq) HA-(aq) + H20(1) <=> H30*(aq) + A2+ (aq) H2A(aq) + 2 H2O(l) <=> 2 H30*(aq) + A+ (aq) o bbw WOO ES K EN WS 1.3E-13 - 2.3E-7 1.0E-7 1.3E-27 ZZE12 < Previne Consider the following reaction which has AH = -1311 k). If the following changes are...
you. 12e) phenolphthalein (color change between pH-8-10), bromocresol green color change between pH 3-4) are provided...
you. 12e) phenolphthalein (color change between pH-8-10), bromocresol green color change between pH 3-4) are provided to pH change at point of Proposed indicator inflection titration between HCl and 1 to 11 NaOH 12d) Calculate the pH of the solution when 10 mL of 0.1 M NaOH is added to 25 mL 0.1 M HCI .Write appropriate chemical equations if required and show your math!!!(4 points) In the ICE table started for calculating equilibrium concentrations of the reaction shown, the...
9) Which one of the following pairs cannot be mixed together to form a buffer solutions...
9) Which one of the following pairs cannot be mixed together to form a buffer solutions A) KOH, HNO2 B) H2S03. KHSO3 C) HONH2, HONH3CI D) NaCI, HCI E) RbOH, HF 10) The Henderson-Hasselbalch equation is acid) acid] A) pH- pKa log basel base] D) pH - pKaobase [acid 11) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant Kp for A- A) A (aq) H30+ (aq) HA (aq) H20 0) B) HA (aq) + OH-(aq) 근...
ch15 answer all 3 please Consider the following reaction at equilibrium: Predict whether the reaction will...
ch15
answer all 3 please
Consider the following reaction at equilibrium: Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance. Drag the appropriate items to their respective bins. O2 is added to the reaction mixture KCIO3 is added to the reaction mixture KCl is added to the reaction mixture O2 is removed from the reaction mixture Shifts left Shifts right Remains unchanged Consider the following reaction: HC2H3O2(aq) + H2O(l) =H30+(aq) + C2H307- (aq) where...
Consider the buffer solution: HNO3(aq) + H2O(1) - NO2 (aq) +H30*(aq) What happens to the concentrations of HNO2 and NO2 when a small amount of acid is added to the solution?
The equilibrium constant for the equation HNO3(aq) + H2O(l) = H, 0+ (aq) + NO2 (aq) is Kg = 5.6 x 10-4 M at 25.0 °C. Calculate the value of AGixn at 25.0 °C for nitrous acid when [NO2] = [H3O+] = [HNO2] = 1.00 M. AGixn = kJ/mol Will the acid spontaneously dissociate under these conditions? O no O yes Calculate the value of AGrxn for nitrous acid when [NO, ] = [H,O+] = 7.13 x 10- M and...
2. (9 pts) The three reactions below are all at equilibrium simultaneously in solution. Ca²+ (aq)+C,0% (aq) +CaC,0,(s) H,C,D,(aq)+H'(aq) + HC,D,(aq) HC,07(aq) + H+ (aq)+C,0; (aq) a. If HNO3 is added to this solution, would you expect to see more or less of the precipitate (CaC204) formed in the solution? Explain your reasoning by showing the effect of the addition of HNO3 on the equilibrium for the reaction. b. If Ba(OH)2 is added to this solution, would you expect to...
(Set 2) Practice Problems in Equilibrium All weak acids use this generic equation: HA(aq)+ H2O() A (aq) + H30*(aq) And all weak bases use this one: B(aq)+ H2O(I) = BH*(aq)+ OH'(aq) Part A: Finding K, or Kb 3.012? What is the value of Ka for a weak acid if a 1.44 M solution has a pH 1. 2. A weak acid is 0.00987 M, but is found to be 25.5 % ionized. What is the pH? 3. The pH for...
Chat Consider the following reactions. Adiprotic acid H2A will react with water as shown in the following reactions. What is the value of K2? H2A(aq) + H2O(1) <=> H30+(aq) + HA (aq) HA-(aq) + H20(1) <=> H30*(aq) + A2+ (aq) H2A(aq) + 2 H2O(l) <=> 2 H30*(aq) + A+ (aq) o bbw WOO ES K EN WS 1.3E-13 - 2.3E-7 1.0E-7 1.3E-27 ZZE12 < Previne Consider the following reaction which has AH = -1311 k). If the following changes are...
you. 12e) phenolphthalein (color change between pH-8-10), bromocresol green color change between pH 3-4) are provided to pH change at point of Proposed indicator inflection titration between HCl and 1 to 11 NaOH 12d) Calculate the pH of the solution when 10 mL of 0.1 M NaOH is added to 25 mL 0.1 M HCI .Write appropriate chemical equations if required and show your math!!!(4 points) In the ICE table started for calculating equilibrium concentrations of the reaction shown, the...
9) Which one of the following pairs cannot be mixed together to form a buffer solutions A) KOH, HNO2 B) H2S03. KHSO3 C) HONH2, HONH3CI D) NaCI, HCI E) RbOH, HF 10) The Henderson-Hasselbalch equation is acid) acid] A) pH- pKa log basel base] D) pH - pKaobase [acid 11) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant Kp for A- A) A (aq) H30+ (aq) HA (aq) H20 0) B) HA (aq) + OH-(aq) 근...
ch15
answer all 3 please
Consider the following reaction at equilibrium: Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance. Drag the appropriate items to their respective bins. O2 is added to the reaction mixture KCIO3 is added to the reaction mixture KCl is added to the reaction mixture O2 is removed from the reaction mixture Shifts left Shifts right Remains unchanged Consider the following reaction: HC2H3O2(aq) + H2O(l) =H30+(aq) + C2H307- (aq) where...
Most questions answered within 3 hours.
-
In a neoclassical model, use the IS-LM to analyze the effect of
a permanent money supply...
asked 2 minutes ago -
An electron passes through a point 2.67 cm from a long straight
wire as it moves...
asked 39 minutes ago -
A grammar is a 4-tuple G, G = (Ν, Σ, Π, Σ, S) where, Ν is...
asked 1 hour ago -
In this part, calculate the present values. Use the Excel PV
function to compute the present...
asked 1 hour ago -
Part 1. Primitive Types, Sorting, Recursion for
Homework.java
a) Implement the static method initializeArray that receives...
asked 2 hours ago -
Using C++, build a sorter that can rank a sequence of numbers in
a descending order....
asked 2 hours ago -
Derive ground state term symbols. Use notation 2S(1/2) for state
2S1/2
a) d5
b) f3
c)...
asked 2 hours ago -
A sample of size 31 will be drawn from a population with mean 39
and standard...
asked 3 hours ago -
What is the effect on the P-value when a test is changed from a
two-tailed hypothesis...
asked 3 hours ago -
I wish to estimate µ, the mean of a population. After I collect
and an-
alyze...
asked 3 hours ago -
At a local university, you poll a group of 115 students and find
that 37 of...
asked 3 hours ago -
Gladstone company tracks the number of units purchased and sold
throughout each accounting period but applies...
asked 3 hours ago