There is a rather lengthy video animation about free energy located in the hint. 2nd attempt...
There is a rather lengthy video animation about free energy located in the hint. 2nd attempt Part 1 (2 points)See HintSee Periodic Table Determine the value of ΔGº for a reaction at 25°C which has an equilibrium constant of 21.2 . kJ/mol Part 2 (3 points)See Hint Calculate ΔG for the reaction below at 25°C when 5.00 bar of A and 9.20 bar of B are present. ΔGº = +5.44 kJ/mol for this reaction. $$A(g) 2B(g) kJ/mol
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There is a rather lengthy video animation about free energy
located in the hint. 2nd attempt...
2KNO3(s) + $$$(s) + 3C(s) — K_S(s) +N2(g) + 3C02(3) 2nd attempt Part 1 . See...
2KNO3(s) + $$$(s) + 3C(s) — K_S(s) +N2(g) + 3C02(3) 2nd attempt Part 1 . See Periodic Table D See Hint If 2.70 g of KNO3 reacts with sufficient sulfur (S8) and carbon (C), how much P-V work will the gases do against an external pressure of 1.00 atm given the densities of nitrogen and carbon dioxide are 1.165 g/L and 1.830 g/L, respectively, at 20°C? Part 2 ♡ See Hint If the reaction produces 58.3 kJ of heat, what...
14 Question e See page 585 (1 point) 1st attempt See Periodic Table See Hint -5 -1 The rate constant for the reaction b...
14 Question e See page 585 (1 point) 1st attempt See Periodic Table See Hint -5 -1 The rate constant for the reaction below was determined to be 3.241x10 s a 225 kJ/mol. What wou Id be the value of the rate constant at 9.40x10 K? N20(g) > N2 (8) +O (g) 800 K. The activation energy of the reaction is -1
14 Question e See page 585 (1 point) 1st attempt See Periodic Table See Hint -5 -1 The...
11 Question (3 points) See page 247 Copper has been used for thousands of years, either...
11 Question (3 points) See page 247 Copper has been used for thousands of years, either as a pure metal or in alloys. It is frequently used today in the production of wires and cables. Copper can be obtained through smelting or recycling. Determine the energy associated with each of these processes in order to recycle 145 mol Cu The smelting of copper occurs by the balanced chemical equation: Cuo(4) + CO(g) – Cu(s) + CO,(g) where AH cuois -155...
26 Question (3 points) Which of the following reactions are spontaneous at the given temperatures? 2nd...
26 Question (3 points) Which of the following reactions are spontaneous at the given temperatures? 2nd attempt Part 1 (1 point)Feedback Which are spontaneous at high temperatures? O Choose one or more: Ы See Periodic Table See Hint ,S)30, g)2,O()S0,() AH1037 KJ, AS P1524 /K 2S0 (g)+02(e) 2S0,() 솨r,an "-197.8 kJ, ASonn--1 87.8 JK so,(g) + H2O(1)-→ H2so,(1) 2630
need answer for the #4 02 Question (1 point) The following reaction has the following standard...
need answer for the #4
02 Question (1 point) The following reaction has the following standard thermodynamic parameters: AHºran --29.0 kJ/mol and AS --64.5J(molok) c(g) +D(g) →E(8) 4th attempt Part 1 (0.3 point) Il See Periodic Tat Is the reaction exothermic or endothermic? Choose one: Endothermic 25 OF 29 QUESTIONS COMPLETED < 02/29 > + VIEW SOLUTION Part 4 (0.3 point) Calculate the temperature at which the reaction bepymes nonspontaneous. 417 > 3rd attempt 2nd attempt 1st attempt 25 OF...
Question (2 points) See page 22 1st attempt See Periodic Table See Hint If all of...
Question (2 points) See page 22 1st attempt See Periodic Table See Hint If all of the energy from burning 318.0 g of propane (A Hcomb.C3H8 --2220 kJ/mol) is used to heat water, how many liters of water can be heated from 20.0°C to 100.0°C? (Assume that the density of water is 1.00 g/ml) L of water < 07/11 D40 ENG 0 OF 11 QUESTIONS COMPLETED e here to search
A 17.5g sample of a candy bar is burned in a bomb calorimeter. which has a...
A
17.5g sample of a candy bar is burned in a bomb calorimeter. which
has a heat capacity of 8.75 kJ/degrees C. The temperature increases
from 20.2 degrees C to 59.9 degrees C
03 Question (5 points) See page 413 A 17.5 g sample of a candy bar is burned in a bomb calorimeter, which has a heat capacity of 8.75 kJ/°C. The temperature increases from 20.2°C to 59.9°C. 1st attempt Part 1 (2.5 pts) M See Periodic Table O...
The enthalpy change for a chemical reaction is the sum of the energy consumed in breaking...
The enthalpy change for a chemical reaction is the sum of the energy consumed in breaking bonds and the energy released during bond formation. One way to determine the overall energy change for a chemical reaction is to apply Hess's law to add together a group of reactions which can be arranged such that the chemical equations, when combined, give the overall equation we are trying to characterize 3rd attempt See Hint Ad See Periodic Table Part 1 (1 point)...
See page 247 07 Question (2 points) The reaction of CH3OH) with Nyle) to give HCN), NH3le, and Ole) requires 164 k...
See page 247 07 Question (2 points) The reaction of CH3OH) with Nyle) to give HCN), NH3le, and Ole) requires 164 kJ/mol of CH3OHC). 1st attempt Part 1 (0.7 point) In See Periodic Table See Hint Write a balanced chemical equation for this reaction. Include the phases of all species in the reaction. X X He a d 8. Should the thermal energy involved be written as a reactant or as a product? Choose one: product reactant Part 3 (0.7...
11 Question (3 points) @ See page 253 Use the data in the table below to...
11 Question (3 points) @ See page 253 Use the data in the table below to answer the following questions: Compound CH3NH2() O2(g) CO2(g) NO2(g) H2011) A Hºf (kJ/mol) -23.0 0.0 -393.5 33.2 -285.8 1st attempt Part 1 (1.5 points) See Periodic Table See Hint Methanol and methylamine are both combustible fuels. How many grams of methylamine must be combusted to raise the temperature of 377 g of water from 15.0°C to 46.0°C? Assume that the transfer of heat from...
2KNO3(s) + $$$(s) + 3C(s) — K_S(s) +N2(g) + 3C02(3) 2nd attempt Part 1 . See Periodic Table D See Hint If 2.70 g of KNO3 reacts with sufficient sulfur (S8) and carbon (C), how much P-V work will the gases do against an external pressure of 1.00 atm given the densities of nitrogen and carbon dioxide are 1.165 g/L and 1.830 g/L, respectively, at 20°C? Part 2 ♡ See Hint If the reaction produces 58.3 kJ of heat, what...
14 Question e See page 585 (1 point) 1st attempt See Periodic Table See Hint -5 -1 The rate constant for the reaction below was determined to be 3.241x10 s a 225 kJ/mol. What wou Id be the value of the rate constant at 9.40x10 K? N20(g) > N2 (8) +O (g) 800 K. The activation energy of the reaction is -1
14 Question e See page 585 (1 point) 1st attempt See Periodic Table See Hint -5 -1 The...
11 Question (3 points) See page 247 Copper has been used for thousands of years, either as a pure metal or in alloys. It is frequently used today in the production of wires and cables. Copper can be obtained through smelting or recycling. Determine the energy associated with each of these processes in order to recycle 145 mol Cu The smelting of copper occurs by the balanced chemical equation: Cuo(4) + CO(g) – Cu(s) + CO,(g) where AH cuois -155...
26 Question (3 points) Which of the following reactions are spontaneous at the given temperatures? 2nd attempt Part 1 (1 point)Feedback Which are spontaneous at high temperatures? O Choose one or more: Ы See Periodic Table See Hint ,S)30, g)2,O()S0,() AH1037 KJ, AS P1524 /K 2S0 (g)+02(e) 2S0,() 솨r,an "-197.8 kJ, ASonn--1 87.8 JK so,(g) + H2O(1)-→ H2so,(1) 2630
need answer for the #4
02 Question (1 point) The following reaction has the following standard thermodynamic parameters: AHºran --29.0 kJ/mol and AS --64.5J(molok) c(g) +D(g) →E(8) 4th attempt Part 1 (0.3 point) Il See Periodic Tat Is the reaction exothermic or endothermic? Choose one: Endothermic 25 OF 29 QUESTIONS COMPLETED < 02/29 > + VIEW SOLUTION Part 4 (0.3 point) Calculate the temperature at which the reaction bepymes nonspontaneous. 417 > 3rd attempt 2nd attempt 1st attempt 25 OF...
Question (2 points) See page 22 1st attempt See Periodic Table See Hint If all of the energy from burning 318.0 g of propane (A Hcomb.C3H8 --2220 kJ/mol) is used to heat water, how many liters of water can be heated from 20.0°C to 100.0°C? (Assume that the density of water is 1.00 g/ml) L of water < 07/11 D40 ENG 0 OF 11 QUESTIONS COMPLETED e here to search
A
17.5g sample of a candy bar is burned in a bomb calorimeter. which
has a heat capacity of 8.75 kJ/degrees C. The temperature increases
from 20.2 degrees C to 59.9 degrees C
03 Question (5 points) See page 413 A 17.5 g sample of a candy bar is burned in a bomb calorimeter, which has a heat capacity of 8.75 kJ/°C. The temperature increases from 20.2°C to 59.9°C. 1st attempt Part 1 (2.5 pts) M See Periodic Table O...
The enthalpy change for a chemical reaction is the sum of the energy consumed in breaking bonds and the energy released during bond formation. One way to determine the overall energy change for a chemical reaction is to apply Hess's law to add together a group of reactions which can be arranged such that the chemical equations, when combined, give the overall equation we are trying to characterize 3rd attempt See Hint Ad See Periodic Table Part 1 (1 point)...
See page 247 07 Question (2 points) The reaction of CH3OH) with Nyle) to give HCN), NH3le, and Ole) requires 164 kJ/mol of CH3OHC). 1st attempt Part 1 (0.7 point) In See Periodic Table See Hint Write a balanced chemical equation for this reaction. Include the phases of all species in the reaction. X X He a d 8. Should the thermal energy involved be written as a reactant or as a product? Choose one: product reactant Part 3 (0.7...
11 Question (3 points) @ See page 253 Use the data in the table below to answer the following questions: Compound CH3NH2() O2(g) CO2(g) NO2(g) H2011) A Hºf (kJ/mol) -23.0 0.0 -393.5 33.2 -285.8 1st attempt Part 1 (1.5 points) See Periodic Table See Hint Methanol and methylamine are both combustible fuels. How many grams of methylamine must be combusted to raise the temperature of 377 g of water from 15.0°C to 46.0°C? Assume that the transfer of heat from...
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