A known reaction has ΔU = 38 kJ/mol. If the reaction is done and you measure...
A known reaction has ΔU = 38 kJ/mol. If the reaction is done and you measure the amount of work done to be w = +2 kJ/mol, what is q in kJ/mol?
Homework Answers
Given:
ΔU = 38 KJ/mol
w = +2 KJ/mol
Use:
ΔU = q + w
38 KJ/mol = q + 2 KJ/mol
q = 36 KJ/mol
Answer: 36 KJ/mol
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A known reaction has ΔU = 38 kJ/mol. If the reaction is done and
you measure...
Think about this problem: A known reaction has AU = 38 kJ/mol. If the reaction is...
Think about this problem: A known reaction has AU = 38 kJ/mol. If the reaction is done and you measure the amount of work done to be w = +2 kJ/mol, what is q in kJ/mol?
Thinking about the previous problem: "A known reaction has AU = 38 kJ/mol. If the reaction...
Thinking about the previous problem: "A known reaction has AU = 38 kJ/mol. If the reaction is done and you measure the amount of work done to be w +2 kJ/mol, what is q in kJ/mol?" If you do the same reaction at constant volume, what is q in kJ/mol?
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For the combustion of 0.05007 mol of C5H12O(l) at constant pressure and a temperature of 25.00oC, we measure that 179.8 kJ of heat is released by the reaction. With this data, what would be the values of ΔH, ΔU, Q, and W for the combustion of 1.000 moles of C5H12O(l) at constant volume and a temperature of 25.00oC? Combustion is the reaction of a substance with O2(g) to produce CO2(g) and H2O(l).
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For the combustion of 0.05289 mol of C5H12O(l) at constant pressure and a temperature of 25.00oC, we measure that 173.5 kJ of heat is released by the reaction. With this data, what would be the values of ΔH, ΔU, Q, and W for the combustion of 1.000 moles of C5H12O(l) at constant volume and a temperature of 25.00oC? Combustion is the reaction of a substance with O2(g) to produce CO2(g) and H2O(l).
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A certain reaction is known to have an activation energy E = 70.0 kJ/mol. Furthermore, the...
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Think about this problem: A known reaction has AU = 38 kJ/mol. If the reaction is done and you measure the amount of work done to be w = +2 kJ/mol, what is q in kJ/mol?
Thinking about the previous problem: "A known reaction has AU = 38 kJ/mol. If the reaction is done and you measure the amount of work done to be w +2 kJ/mol, what is q in kJ/mol?" If you do the same reaction at constant volume, what is q in kJ/mol?
At 25°C, the following heats of reaction are known: AH (kJ/mol 167.4 2CIF + 02 →Cl20 + F20 2ClF3 + 202 →Cl20+3F20 341.4 2F2 + 02 → 2F20 At the same temperature, calculate ΔH for the reaction: ClF + F2 → CIF3 -43.4 A. -217.5 kJ/mol B.-130.2 kJ/mol C. +217.5 kJ/mol ○ D.-108.7 kJ/mol E. none of these QUESTION 4 Consider the reaction: When a 12.9-g sample of ethyl alcohol(molar mass 46.07 g/mol) is burned, how much energy is released...
A certain reaction is known to have an activation energy E = 70.0 kJ/mol. Furthermore, the rate of this reaction is measured at 362. K and found to be 7.9x 10 MIs. Use this information to answer the questions in the table below. (You may need to use the scrollbar to see all the choices.) Suppose the concentrations of all reactants is kept the same, but the temperature is lowered by 10% from 362' K to 326. K. The rate...
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