Energy

Question 1

Which of the following has the smallest heat capacity?5.0 g Fe2.5 g Cu✔ 3.0 g Pb6.5 g Al

Revolt · Accepted Answer

C: 3.0 g Pb

Question 2

Question 2

Revolt · Accepted Answer

603

Question 3

Question 3

Revolt · Accepted Answer

95.7

Question 4

A 95.0 g sample of copper (c = 0.20 J/°C·g) is heated to 82.4°C and then placed in a container of water (c = 4.18 J/°C·g) at 22.0°C. The final temperature of the water and the copper is 25.1°C. What was the mass of the water in the original container? Assume that all heat lost by the copper is gained by the water. Use the formulas below to help in your problem-solving.-q = q-cmT = cmT

Revolt · Accepted Answer

C: 84.0 g HO

Question 5

Question 5

Revolt · Accepted Answer

A

Question 6

Which substance would retain the most heat for the longest period of time?

Revolt · Accepted Answer

C: HO(l)

Energy Answers

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