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Which one of the following is not a valid expression for the rate of the reaction...
55. Which one of the following is not a valid expression for the rate of the...
55. Which one of the following is not a valid expression for the rate of the reaction below? Page 11 4NH ( + 7026 4NO. + 6H.00 A) - ALO 7 Δι B) | AINO.1 4 ΔΙ C) I ALHO 6 Δι D). 1 4 ΔΙΝΗ] At E) All of the above are valid expressions for the rate of reaction. 56. In which of the following aqueous solutions would you expect AgBr to have the least molar solubility? AgBroAg +...
QUESTION 8 Consider the reaction: 4NH3 +702-4NO2 + 6H20. At a certain instant, the rate of...
QUESTION 8 Consider the reaction: 4NH3 +702-4NO2 + 6H20. At a certain instant, the rate of disappearance of the oxygen gas is 1.20 M/s. Which of the following is NOT true? Choose this answer only if all of the other choices are true. The rate of appearance of water at the same instant would be 1.03 M/S. The rate constant for this reaction changes with temperature, but not with the concentrations of reactants used. The initial rate of disappearance of...
45. Refer to the following equation: 4NH3(g) + 70,() → 4NO2()+6H20() How many moles of ammonia...
45. Refer to the following equation: 4NH3(g) + 70,() → 4NO2()+6H20() How many moles of ammonia will be required to produce 10.5 mol of water a. 4.20 mol b. 10.5 mol c. 7.00 mol d. 5.25 mol e. none of these 46. Refer to the following equation: 4NH3(Ⓡ) + 702() → 4NO2(%) +6H20(g) How many molecules of NO2 are produced when 4.16 mol of ammonia is completely reacted a. 16.64 b. 5.01 X 1024 c. 2.51 1024 d. 191 e....
53. The third law of thermodynamics states: A) Any irreversible process results in an increase in...
53. The third law of thermodynamics states: A) Any irreversible process results in an increase in total entropy, whereas any reversible process results in no overall change in entropy. B) The entropy of a pure crystalline substance at absolute zero is zero. C) Energy is conserved. D) If AG = 0, the reaction is at equilibrium. E) None of the answers are correct 54. Which one of the following is always positive when a spontaneous process occurs? A) AS B)...
Writé the reaction rate expressions for the following réactions in terms of the disappearance of the...
Writé the reaction rate expressions for the following réactions in terms of the disappearance of the reac- tants and the appearance of products: (a) 2H2(g) + O2(g) 2H2O(g) (b) 4NH3(g) + 502(g) 4NO(g) + 6H20(g)
1) 2) 3) A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the...
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2)
3)
A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
1) 2) 3) A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the...
1)
2)
3)
A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
1) What is the correct mathematical expression for the reaction quotient, Qc, for the following reaction:...
1) What is the correct mathematical expression for the reaction quotient, Qc, for the following reaction: CH(E) + 2O2(g) = CO2(g) + 2H20 (1) [CH][02] [CO2][H2012 [CH][02] [CO2] L = LIQUID (CO2) [CH][0212 (d) 1C02) P2012 [CH][02] e) None of the above. 2) A change of pressure has no effect on which of the following reactions at equilibrium? 1) 2502(g) + O2(g) = 2503(8) 2) 4NH3(g) +502(g) = 4NO(g) + 6H2O(g) 3) CH2(g) + Cl2(g) = CH2Cl(g) + HCl(g) 4)...
Which of the following are valid on the right side of an assignment operator? Select one:...
Which of the following are valid on the right side of an assignment operator? Select one: O a. An expression such as 8*6 b. A variable O c. numeric constant O d. All of the above are valid on the right side of an assignment operator
QUESTION 2 0.5 points Save Answ [CLO-4] Which of the following expressions is the correct Keq...
QUESTION 2 0.5 points Save Answ [CLO-4] Which of the following expressions is the correct Keq expression for the equilibrium between dinitrogen tetroxide and nitrogen dioxide? N204 (g) ===== 2NO2 (g) [NO21 [NO212 [NO21 A) [NO2][N204] B) C) D) E) [NO2121N2041 [N2041 [N2041 [N20412 А B с D E
55. Which one of the following is not a valid expression for the rate of the reaction below? Page 11 4NH ( + 7026 4NO. + 6H.00 A) - ALO 7 Δι B) | AINO.1 4 ΔΙ C) I ALHO 6 Δι D). 1 4 ΔΙΝΗ] At E) All of the above are valid expressions for the rate of reaction. 56. In which of the following aqueous solutions would you expect AgBr to have the least molar solubility? AgBroAg +...
QUESTION 8 Consider the reaction: 4NH3 +702-4NO2 + 6H20. At a certain instant, the rate of disappearance of the oxygen gas is 1.20 M/s. Which of the following is NOT true? Choose this answer only if all of the other choices are true. The rate of appearance of water at the same instant would be 1.03 M/S. The rate constant for this reaction changes with temperature, but not with the concentrations of reactants used. The initial rate of disappearance of...
45. Refer to the following equation: 4NH3(g) + 70,() → 4NO2()+6H20() How many moles of ammonia will be required to produce 10.5 mol of water a. 4.20 mol b. 10.5 mol c. 7.00 mol d. 5.25 mol e. none of these 46. Refer to the following equation: 4NH3(Ⓡ) + 702() → 4NO2(%) +6H20(g) How many molecules of NO2 are produced when 4.16 mol of ammonia is completely reacted a. 16.64 b. 5.01 X 1024 c. 2.51 1024 d. 191 e....
53. The third law of thermodynamics states: A) Any irreversible process results in an increase in total entropy, whereas any reversible process results in no overall change in entropy. B) The entropy of a pure crystalline substance at absolute zero is zero. C) Energy is conserved. D) If AG = 0, the reaction is at equilibrium. E) None of the answers are correct 54. Which one of the following is always positive when a spontaneous process occurs? A) AS B)...
Writé the reaction rate expressions for the following réactions in terms of the disappearance of the reac- tants and the appearance of products: (a) 2H2(g) + O2(g) 2H2O(g) (b) 4NH3(g) + 502(g) 4NO(g) + 6H20(g)
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A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
1)
2)
3)
A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
1) What is the correct mathematical expression for the reaction quotient, Qc, for the following reaction: CH(E) + 2O2(g) = CO2(g) + 2H20 (1) [CH][02] [CO2][H2012 [CH][02] [CO2] L = LIQUID (CO2) [CH][0212 (d) 1C02) P2012 [CH][02] e) None of the above. 2) A change of pressure has no effect on which of the following reactions at equilibrium? 1) 2502(g) + O2(g) = 2503(8) 2) 4NH3(g) +502(g) = 4NO(g) + 6H2O(g) 3) CH2(g) + Cl2(g) = CH2Cl(g) + HCl(g) 4)...
Which of the following are valid on the right side of an assignment operator? Select one: O a. An expression such as 8*6 b. A variable O c. numeric constant O d. All of the above are valid on the right side of an assignment operator
QUESTION 2 0.5 points Save Answ [CLO-4] Which of the following expressions is the correct Keq expression for the equilibrium between dinitrogen tetroxide and nitrogen dioxide? N204 (g) ===== 2NO2 (g) [NO21 [NO212 [NO21 A) [NO2][N204] B) C) D) E) [NO2121N2041 [N2041 [N2041 [N20412 А B с D E
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