Homework Answers
The complete step wise calculation of the total standard enthalpy of the reaction is given as below:-
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Question 4 1 pts Standard heats of formation for reactants and products in the reaction below...
Question 1 1 pts Standard heats of formation for reactants and products in the reaction below...
Question 1 1 pts Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(1) Substance AHf° (kJ/mol) HA(aq) 436.115 HX(0) 323.735 MA2(aq) -491.794 MX2(aq) 132.96 What is the standard enthalpy of reaction, in kJ? Report your answer to three digits after the decimal.
Question 2 1 pts Standard heats of formation for reactants and products in the reaction below...
Question 2 1 pts Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(I) Substance HA(aq) HX(0) MA2(aq) MX2(aq) AHf° (kJ/mol) -408.637 244.739 -325.182 469.464 What is the standard enthalpy of reaction, in kJ? Report your answer to three digits after the decimal.
Question 1 1 pts Standard heats of formation for reactants and products in the reaction below...
Question 1 1 pts Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(0) Substance HA(aq) HX(1) MA2(aq) MX2(aq) AHf° (kJ/mol) 206.999 262.088 355.275 -4.824 What is the standard enthalpy of reaction, in kJ? Report your answer to three digits after the decimal. 1 pts Question 2
Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq)...
Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(1) Substance HA(aq) HX(1) MA2(aq) MX2(aq) AHf° (kJ/mol) 107.523 -449.653 297.503 297.138 What is the standard enthalpy of reaction, in kJ? Report your answer to three digits after the decimal.
A 312 g sample of a metal is heated to 365.343 °C and plunged into 200...
A 312 g sample of a metal is heated to 365.343 °C and plunged into 200 g of water at a temperature of 37.758 °C. The final temperature of the water is 77.331 °C. Assuming water has a specific heat capacity of 4.184 J/g °C, what is the specific heat capacity of the metal sample, in J/g °C)? Assume no heat loss to the surroundings. Report your response to 3 digits after the decimal. 6.329 Question 3 1 pts Standard...
5. Question 2 1 pts Suppose you are investigating the reaction: M(s) + 2 HCl(aq) →...
5.
Question 2 1 pts Suppose you are investigating the reaction: M(s) + 2 HCl(aq) → MCl2(aq) + H2(g). You weigh out a 0.202 gram piece of metal and combine it with 62.2 mL of 1.00 M HCl in a coffee-cup calorimeter. If the molar mass of the metal is 48.51 g/mol, and you measure that the reaction absorbed 111 J of heat, what is the enthalpy of this reaction in kJ per mole of limiting reactant? Enter your answer...
3 seperate questions i have been having trouble with Suppose you are investigating the reaction: M(s) + 2 HCl(aq)...
3 seperate questions i have been having trouble with
Suppose you are investigating the reaction: M(s) + 2 HCl(aq) - MC12(aq) + H2(g). You weigh out a 0.243 gram piece of metal and combine it with 63.1 mL of 1.00 M HCl in a coffee-cup calorimeter. If the molar mass of the metal is 46.62 g/mol, and you measure that the reaction absorbed 105 J of heat, what is the enthalpy of this reaction in kJ per mole of limiting...
Calculate the standard enthalpy change for the reaction 2A+B⇌2C+2D where the heats of formation are given...
Calculate the standard enthalpy change for the reaction
2A+B⇌2C+2D
where the heats of formation are given in the following
table:
Substance
ΔH∘f
(kJ/mol)
A
-275
B
-413
C
223
D
-521
Express your answer in kilojoules.
- Part A Calculate the standard enthalpy change for the reaction 2A+B=2C+2D where the heats of formation are given in the following table: Substance A AH (kJ/mol) -275 -413 223 -521 B D Express your answer in kilojoules. View Available Hint(s) O AED *...
A.Using standard heats of formation, calculate the standard enthalpy change for the following reaction. N2(g) +...
A.Using standard heats of formation, calculate the standard enthalpy change for the following reaction. N2(g) + 3H2(g) = 2NH3(g) B.Using standard heats of formation, calculate the standard enthalpy change for the following reaction. CaCO3(s) = CaO(s) + CO2(g) C. A scientist measures the standard enthalpy change for the following reaction to be -2910.6 kJ: 2C2H6(g) + 7 O2(g) = 4CO2(g) + 6 H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy...
Tutored Practice Problem 10.6.2 COUNTS TOWARDS GRADE Calculate enthalpy change using standard heats of formation. Using...
Tutored Practice Problem 10.6.2 COUNTS TOWARDS GRADE Calculate enthalpy change using standard heats of formation. Using the standard heats of formation that follow, calculate the standard enthalpy change for the following reaction. H2S(g) 2H20(I) »3H2(g) +SO2(g) AH rxn kJ Species AHf(kJ/mol H2S(g) -20.6 H2O(D -285.8 SO2(g) -296.8 Check & Submit Answer Show Approach
Question 1 1 pts Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(1) Substance AHf° (kJ/mol) HA(aq) 436.115 HX(0) 323.735 MA2(aq) -491.794 MX2(aq) 132.96 What is the standard enthalpy of reaction, in kJ? Report your answer to three digits after the decimal.
Question 2 1 pts Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(I) Substance HA(aq) HX(0) MA2(aq) MX2(aq) AHf° (kJ/mol) -408.637 244.739 -325.182 469.464 What is the standard enthalpy of reaction, in kJ? Report your answer to three digits after the decimal.
Question 1 1 pts Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(0) Substance HA(aq) HX(1) MA2(aq) MX2(aq) AHf° (kJ/mol) 206.999 262.088 355.275 -4.824 What is the standard enthalpy of reaction, in kJ? Report your answer to three digits after the decimal. 1 pts Question 2
Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(1) Substance HA(aq) HX(1) MA2(aq) MX2(aq) AHf° (kJ/mol) 107.523 -449.653 297.503 297.138 What is the standard enthalpy of reaction, in kJ? Report your answer to three digits after the decimal.
A 312 g sample of a metal is heated to 365.343 °C and plunged into 200 g of water at a temperature of 37.758 °C. The final temperature of the water is 77.331 °C. Assuming water has a specific heat capacity of 4.184 J/g °C, what is the specific heat capacity of the metal sample, in J/g °C)? Assume no heat loss to the surroundings. Report your response to 3 digits after the decimal. 6.329 Question 3 1 pts Standard...
5.
Question 2 1 pts Suppose you are investigating the reaction: M(s) + 2 HCl(aq) → MCl2(aq) + H2(g). You weigh out a 0.202 gram piece of metal and combine it with 62.2 mL of 1.00 M HCl in a coffee-cup calorimeter. If the molar mass of the metal is 48.51 g/mol, and you measure that the reaction absorbed 111 J of heat, what is the enthalpy of this reaction in kJ per mole of limiting reactant? Enter your answer...
3 seperate questions i have been having trouble with
Suppose you are investigating the reaction: M(s) + 2 HCl(aq) - MC12(aq) + H2(g). You weigh out a 0.243 gram piece of metal and combine it with 63.1 mL of 1.00 M HCl in a coffee-cup calorimeter. If the molar mass of the metal is 46.62 g/mol, and you measure that the reaction absorbed 105 J of heat, what is the enthalpy of this reaction in kJ per mole of limiting...
Calculate the standard enthalpy change for the reaction
2A+B⇌2C+2D
where the heats of formation are given in the following
table:
Substance
ΔH∘f
(kJ/mol)
A
-275
B
-413
C
223
D
-521
Express your answer in kilojoules.
- Part A Calculate the standard enthalpy change for the reaction 2A+B=2C+2D where the heats of formation are given in the following table: Substance A AH (kJ/mol) -275 -413 223 -521 B D Express your answer in kilojoules. View Available Hint(s) O AED *...
Tutored Practice Problem 10.6.2 COUNTS TOWARDS GRADE Calculate enthalpy change using standard heats of formation. Using the standard heats of formation that follow, calculate the standard enthalpy change for the following reaction. H2S(g) 2H20(I) »3H2(g) +SO2(g) AH rxn kJ Species AHf(kJ/mol H2S(g) -20.6 H2O(D -285.8 SO2(g) -296.8 Check & Submit Answer Show Approach
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