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14.
For A+ 2B---> 2C+ D find kc if the concentration of A is 0.14M
the...
Determine Kc for A+B->C Kc=1.00x10^-2 C+B->D Kc=1.00x10^4 A + 2B -> D Kc=? Part 2: If...
Determine Kc for A+B->C Kc=1.00x10^-2 C+B->D Kc=1.00x10^4 A + 2B -> D Kc=? Part 2: If at equilibrium D = 1.00 M, what is the concentration of A and B? Thank you.
Part 1 please! Consider the liquid reaction: A + 2B → 2C + D Rate units:...
Part 1 please!
Consider the liquid reaction: A + 2B → 2C + D Rate units: moles/cm3-min I. Write the reaction rate r in terms of concentrations C, and rate constant k if the reaction were elementary as written? o For this case, derive: -TA and kA o What are the units for kA? o Derive the molar species balance for A, in terms of XA, for a batch reactor charged with an equimolar mixture of A and B; i.e....
10. Which of the following mixtures has lower pH a) Equal volumes of 0.10M HCIO, and...
10. Which of the following mixtures has lower pH a) Equal volumes of 0.10M HCIO, and 0.10M NaOH b) Equal volumes of 0.10M HCIO and 0.10M NH Ans: 1. Does the pH increase, decrease or remain same on addition of each of the following a) NH4NO) to NHs solution Ans: b) Na:CO) to NaHCO3 solution Ans: c) NaCIO4 to NaOH solution Ans: 12. Which of the following solutions give a buffer solution when equal volumes are mixed? a) 0.10M NaF...
D Question 4 5 pts 2b) There are 0.10 moles of N2O4 and 0.20 moles of...
D Question 4 5 pts 2b) There are 0.10 moles of N2O4 and 0.20 moles of NO 2 present in a 2.0 L container which may react according to: N2O4(g) = 2N028) Kp = 11 What is the value of Qp for the initial gas mixture? a. 4.0 b. 0.20 c. 0.40 d.5.0 . a. b. Consider the following equilibrium systems. Which direction will the reactions shift (reactants or products) when cooled? 200g + O2(g) = 2CO2(g) H2e+12(e)=2HI® H2(g) +126)...
Question 2 & 3 please 2. (10 points) A 0.185 M solution of a weak acid...
Question 2 & 3 please
2. (10 points) A 0.185 M solution of a weak acid HA has a pH of 2.95. What is the acid dissociation constant (Ka) for this acid? (hint: ICE Box and x is small-start by reacting HA with water) (10 points) A solution that is 0.220 M HF and 0.240 M NaF reacts to produce a mixture with what pH? The pKa of HF is 3.20. (hint: ICE Box and x is small-yes you can...
5) Determine the value of Kc for the following reaction if the equilibrium concentrations are as...
5) Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [NO2]eq = 0.85 M and [NO]eq=0.38 M. 2 NO2(g) - N2048) A) 2.2 B) 1.9 C) 0.022 D) 0.22 E) 0.53 6) Which of the following statements is true? A) If Q=K, it means the reaction is not at equilibrium. B) If Q<K, it means the forward reaction will proceed to the right) to form more reactants. C) IFO <K, it means the...
1x10ⓇM B 2x10 M 40 Normal gastric juice has a pH of about 2 and the...
1x10ⓇM B 2x10 M 40 Normal gastric juice has a pH of about 2 and the gastric in is the concentration of HCl in the stomach? U10 M D 3x10 M of about 2 and the gastric juice is aqueous HCI. What 2 M HCI B 1.0x10' M HCI C 0.01 M HCI D 0.14 M HCI Ques. to, 41 Question What is the [H30'] of a sweat sample that has a pH = 5.8? A 2x10mm B3X10ⓇM 3x107M 42...
Question 3 (1 point) What is the pH of a 0.200 M solution of NaF? HF...
Question 3 (1 point) What is the pH of a 0.200 M solution of NaF? HF has a Ka of 3.4 x 10-4. 8.38 10.5 3.46 2.08 11.9
12. How many grams of NaF must be added to 2.00 L of 0.100 M HF...
12. How many grams of NaF must be added to 2.00 L of 0.100 M HF to yield a solution with a pH = 4.00 Note: Ka HF ...see question #8. a) 300 g b) 36 g c) 0.84 g d) 6.9 g e) 56.38 1 .18 10-5 and 0
21. Calculate the equilibrium concentration of the reactants and products if K·5.0 x 08 and initial, ulate the equi...
21. Calculate the equilibrium concentration of the reactants and products if K·5.0 x 08 and initial, ulate the equilibrium concentration of the reactants and products if K 5.0 x 10and ini the [A] = 2.0 M (7 pts) C(g) B(g) + A(g) ←→ pts) 22. Use the following kinetic data to determine the rate law for the reaction. (7 Initial Rate (mol/L s 3.3 Experiment Initial [NO2l(M) Initial [O21(M 0.40 0.10 1.7 0.20 0.10 1.7 0.20 0.20 23. Calculate the...
Part 1 please!
Consider the liquid reaction: A + 2B → 2C + D Rate units: moles/cm3-min I. Write the reaction rate r in terms of concentrations C, and rate constant k if the reaction were elementary as written? o For this case, derive: -TA and kA o What are the units for kA? o Derive the molar species balance for A, in terms of XA, for a batch reactor charged with an equimolar mixture of A and B; i.e....
10. Which of the following mixtures has lower pH a) Equal volumes of 0.10M HCIO, and 0.10M NaOH b) Equal volumes of 0.10M HCIO and 0.10M NH Ans: 1. Does the pH increase, decrease or remain same on addition of each of the following a) NH4NO) to NHs solution Ans: b) Na:CO) to NaHCO3 solution Ans: c) NaCIO4 to NaOH solution Ans: 12. Which of the following solutions give a buffer solution when equal volumes are mixed? a) 0.10M NaF...
D Question 4 5 pts 2b) There are 0.10 moles of N2O4 and 0.20 moles of NO 2 present in a 2.0 L container which may react according to: N2O4(g) = 2N028) Kp = 11 What is the value of Qp for the initial gas mixture? a. 4.0 b. 0.20 c. 0.40 d.5.0 . a. b. Consider the following equilibrium systems. Which direction will the reactions shift (reactants or products) when cooled? 200g + O2(g) = 2CO2(g) H2e+12(e)=2HI® H2(g) +126)...
Question 2 & 3 please
2. (10 points) A 0.185 M solution of a weak acid HA has a pH of 2.95. What is the acid dissociation constant (Ka) for this acid? (hint: ICE Box and x is small-start by reacting HA with water) (10 points) A solution that is 0.220 M HF and 0.240 M NaF reacts to produce a mixture with what pH? The pKa of HF is 3.20. (hint: ICE Box and x is small-yes you can...
5) Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [NO2]eq = 0.85 M and [NO]eq=0.38 M. 2 NO2(g) - N2048) A) 2.2 B) 1.9 C) 0.022 D) 0.22 E) 0.53 6) Which of the following statements is true? A) If Q=K, it means the reaction is not at equilibrium. B) If Q<K, it means the forward reaction will proceed to the right) to form more reactants. C) IFO <K, it means the...
1x10ⓇM B 2x10 M 40 Normal gastric juice has a pH of about 2 and the gastric in is the concentration of HCl in the stomach? U10 M D 3x10 M of about 2 and the gastric juice is aqueous HCI. What 2 M HCI B 1.0x10' M HCI C 0.01 M HCI D 0.14 M HCI Ques. to, 41 Question What is the [H30'] of a sweat sample that has a pH = 5.8? A 2x10mm B3X10ⓇM 3x107M 42...
Question 3 (1 point) What is the pH of a 0.200 M solution of NaF? HF has a Ka of 3.4 x 10-4. 8.38 10.5 3.46 2.08 11.9
12. How many grams of NaF must be added to 2.00 L of 0.100 M HF to yield a solution with a pH = 4.00 Note: Ka HF ...see question #8. a) 300 g b) 36 g c) 0.84 g d) 6.9 g e) 56.38 1 .18 10-5 and 0
21. Calculate the equilibrium concentration of the reactants and products if K·5.0 x 08 and initial, ulate the equilibrium concentration of the reactants and products if K 5.0 x 10and ini the [A] = 2.0 M (7 pts) C(g) B(g) + A(g) ←→ pts) 22. Use the following kinetic data to determine the rate law for the reaction. (7 Initial Rate (mol/L s 3.3 Experiment Initial [NO2l(M) Initial [O21(M 0.40 0.10 1.7 0.20 0.10 1.7 0.20 0.20 23. Calculate the...
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