Homework Answers
Add Answer to:
Predict the effect of increasing the temperature on the amounts of products in the following reactions:...
Given reactions 1 and 2 below, calculate delta H degree_Rxn and delta U degree_Rxn for reaction...
Given reactions 1 and 2 below, calculate delta H degree_Rxn and delta U degree_Rxn for reaction 3. Rxn 1 H_2(g) + I_2(s) rightarrow 2 HI(g) delta H degree_Rxn = +52.96 kJ/mol Rxn 2 2H_2(g) + O_2(g) rightarrow 2 H_2 O(g) delta H degree_Rxn = -483.64 kJ/mol Rxn 3 4 HI(g) + O_2(g) rightarrow 2 I_2(s) + 2 H_2O(g) delta H degree_Rxn = ? delta U degree_Rxn = ?
Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system?...
Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system? C_3H_8(g) + 5 O_2(g) Equilibrium 3 CO_2(g) + 4 H_2O(l) Delta H degree = -2220 kJ
When C_2H_2 is burned in air, carbon dioxide and water are formed in the following reaction:...
When C_2H_2 is burned in air, carbon dioxide and water are formed in the following reaction: C_2H_2+O_2(g) right arrow CO_2(g) + H_2O(l) delta H =-1300. kJ C(s) + O_2(g) right arrow CO_2(g)delta H =-394. kJ; H2(g) +1/2 O_2(g)right arrow H_2O(l) delta H =-286. kJ; Calculate delta H for 2C(s) + H_2(g) right arrow C_2H_2(g) Delta H = what is the heat of formation of H_2o(l) deltaHf
For which of the following systems at equilibrium and at constant temperature will decreasing the volume...
For which of the following systems at equilibrium and at constant temperature will decreasing the volume cause the equilibrium to shirt to the right? NH_4CI(s) NH_3(g) + HCl(g) 2NO_2(g) 2NO(g) + O_2(g) H_2(g) + Cl_2(g) 2HCl(g) N_2(g) + 3H_2(g) 2NH_3(g) 2H_2O(g) 2H_2(g) + O_2(g)
A chemist measures the energy change Delta H during the following reaction: 2H_2I(l) rightarrow 2H_2(g) +...
A chemist measures the energy change Delta H during the following reaction: 2H_2I(l) rightarrow 2H_2(g) + O_2(g) Delta H = 572. kJ Use the information to answer the following questions. This reaction is ... exothermic endothermic Suppose 94.8 g of H_2O react. Will any heat be released or absorbed? Yes, absorbed Yes, released No If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round...
Predict whether the following reactions will be exothermic or endothermic. A. N,g) +3H )2NH,) 2H,+o,) Bond...
Predict whether the following reactions will be exothermic or endothermic. A. N,g) +3H )2NH,) 2H,+o,) Bond (kJ/mol) 432 942 494 155 386 459 522 Endothermic: H-H F-F H-N H-O S O Exothermic: n A
) Predict the effect of increasing pressure for each of the following equilibriums: (a) 2H2O (g)...
) Predict the effect of increasing pressure for each of the following equilibriums: (a) 2H2O (g) + N2 (g) ↔ 2H2 (g) + 2NO (g) ________________________ (b) SiO2 (s) + 4HF (g) ↔ SiF4 (g) + 2H2O (g) ________________________ (c) CO (g) + H2 (g) ↔ C(s) + H2O (g) __
All four please thank you Which of the following is necessary for a process to be...
All four please thank you
Which of the following is necessary for a process to be spontaneous? A) Delta H_sys < 0 B) Delta S_sys > 0 C) Delta S < 0 D) Delta S_univ > 0 E) Delta G_sys = 0 Which reaction has the largest Delta S degree? A) 2 N_2H_4(g) rightarrow 2 NH_3(g) + H_2(g) B) O_2(g) + 2 H_2(g) rightarrow 2 H_2O(l) C) O_2(g) + 2 H_2(g) rightarrow 2H_2O(g) D) N_2(g) + 3H_2(g) rightarrow 2NH_3(g) E)...
Calculate the enthalpy of formation of SO_2(g) from the standard enthalpy changes of the following reactions:...
Calculate the enthalpy of formation of SO_2(g) from the standard enthalpy changes of the following reactions: SO_2(g) + O_2(g) rightarrow 2 SO_3(g) Delta H degree _r times n = - 196 kJ S(s) + 3 O_2(g) rightarrow 2 SO_3(g) Delta H degree _r times n = - 790 kJ S(s) + O_2(g) rightarrow SO_2(g) Delta H degree _r times n = Number _______ kJ
Bond H-H Predict whether the following reactions will be exothermic or endothermic. Reaction A. N. (9)...
Bond H-H Predict whether the following reactions will be exothermic or endothermic. Reaction A. N. (9) + 3H,9 — 2NH, Reaction B. S(g) +0,2) 0,() Reaction C. 2H,09) — 2H,(g) +0,($) Reaction D. 2F(g) — F, (g) N=N AH° (kJ/mol) 432 942 494 155 0=0 F-F H-N 386 459 H-O S=0 522 Which reaction(s) are endothermic? Which reaction(s) are exothermie? D ID OB Strongest bond Weakest bond Answer Bank Si-F Si-I Si-CI
Given reactions 1 and 2 below, calculate delta H degree_Rxn and delta U degree_Rxn for reaction 3. Rxn 1 H_2(g) + I_2(s) rightarrow 2 HI(g) delta H degree_Rxn = +52.96 kJ/mol Rxn 2 2H_2(g) + O_2(g) rightarrow 2 H_2 O(g) delta H degree_Rxn = -483.64 kJ/mol Rxn 3 4 HI(g) + O_2(g) rightarrow 2 I_2(s) + 2 H_2O(g) delta H degree_Rxn = ? delta U degree_Rxn = ?
Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system? C_3H_8(g) + 5 O_2(g) Equilibrium 3 CO_2(g) + 4 H_2O(l) Delta H degree = -2220 kJ
When C_2H_2 is burned in air, carbon dioxide and water are formed in the following reaction: C_2H_2+O_2(g) right arrow CO_2(g) + H_2O(l) delta H =-1300. kJ C(s) + O_2(g) right arrow CO_2(g)delta H =-394. kJ; H2(g) +1/2 O_2(g)right arrow H_2O(l) delta H =-286. kJ; Calculate delta H for 2C(s) + H_2(g) right arrow C_2H_2(g) Delta H = what is the heat of formation of H_2o(l) deltaHf
For which of the following systems at equilibrium and at constant temperature will decreasing the volume cause the equilibrium to shirt to the right? NH_4CI(s) NH_3(g) + HCl(g) 2NO_2(g) 2NO(g) + O_2(g) H_2(g) + Cl_2(g) 2HCl(g) N_2(g) + 3H_2(g) 2NH_3(g) 2H_2O(g) 2H_2(g) + O_2(g)
A chemist measures the energy change Delta H during the following reaction: 2H_2I(l) rightarrow 2H_2(g) + O_2(g) Delta H = 572. kJ Use the information to answer the following questions. This reaction is ... exothermic endothermic Suppose 94.8 g of H_2O react. Will any heat be released or absorbed? Yes, absorbed Yes, released No If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round...
Predict whether the following reactions will be exothermic or endothermic. A. N,g) +3H )2NH,) 2H,+o,) Bond (kJ/mol) 432 942 494 155 386 459 522 Endothermic: H-H F-F H-N H-O S O Exothermic: n A
All four please thank you
Which of the following is necessary for a process to be spontaneous? A) Delta H_sys < 0 B) Delta S_sys > 0 C) Delta S < 0 D) Delta S_univ > 0 E) Delta G_sys = 0 Which reaction has the largest Delta S degree? A) 2 N_2H_4(g) rightarrow 2 NH_3(g) + H_2(g) B) O_2(g) + 2 H_2(g) rightarrow 2 H_2O(l) C) O_2(g) + 2 H_2(g) rightarrow 2H_2O(g) D) N_2(g) + 3H_2(g) rightarrow 2NH_3(g) E)...
Calculate the enthalpy of formation of SO_2(g) from the standard enthalpy changes of the following reactions: SO_2(g) + O_2(g) rightarrow 2 SO_3(g) Delta H degree _r times n = - 196 kJ S(s) + 3 O_2(g) rightarrow 2 SO_3(g) Delta H degree _r times n = - 790 kJ S(s) + O_2(g) rightarrow SO_2(g) Delta H degree _r times n = Number _______ kJ
Bond H-H Predict whether the following reactions will be exothermic or endothermic. Reaction A. N. (9) + 3H,9 — 2NH, Reaction B. S(g) +0,2) 0,() Reaction C. 2H,09) — 2H,(g) +0,($) Reaction D. 2F(g) — F, (g) N=N AH° (kJ/mol) 432 942 494 155 0=0 F-F H-N 386 459 H-O S=0 522 Which reaction(s) are endothermic? Which reaction(s) are exothermie? D ID OB Strongest bond Weakest bond Answer Bank Si-F Si-I Si-CI
Most questions answered within 3 hours.
-
Benning Inc is a defense contractor that uses job costing.
Because the firm uses a perpetual...
asked 1 hour ago -
What is the net ionic equation for the reaction that would occur
when an aqueous solution...
asked 4 hours ago -
A
student bought $1000 worth of furniture. What is the equivalent
annual cost if it is...
asked 4 hours ago -
What taboo subject did Ida B. Wells suggest was consensual
between black men and white women?...
asked 6 hours ago -
You have just been hired by the EPA to help with the new gas
mileage standards...
asked 6 hours ago -
4) A firm is hit by increases in its wage rate, w.
a) How does this...
asked 7 hours ago -
A square current loop 5.4 cm on each side carries a 510 mA
current. The loop...
asked 9 hours ago -
What are five tips in conducting knowledge assessment/literature
review research? Each of these tips needs to...
asked 9 hours ago -
Antigen presenting cells link innate and adaptive immune
responses. In the theoretical scenario where phagosomes cannot...
asked 9 hours ago -
Dealing with conflict, in my opinion, is a skill and an art. I
believe that those...
asked 10 hours ago -
6. A long straight wire with circular cross section and radius
1.5 cm carries a 1.2...
asked 10 hours ago -
Deacon Corporation has provided the following financial data
from its balance sheet and income statement:
Year...
asked 11 hours ago