Heat

Question 1

Fe:

Revolt · Accepted Answer

4

Question 2

Al:

Revolt · Accepted Answer

5

Question 3

Cu:

Revolt · Accepted Answer

3

Question 4

Sn:

Revolt · Accepted Answer

2

Question 5

Pb:

Revolt · Accepted Answer

1

Question 6

Question 6

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3210-08-03-10-05-task/mc001-3.jpg

Question 7

A sample of an unknown substance has a mass of 89.5 g. If 345.2 J of heat are required to heat the substance from 285 K to 305 K, what is the specific heat of the substance?Use the formula q = mCT. J/g•K

Revolt · Accepted Answer

0.193

Question 8

A cube of aluminum (Cp = 0.897 J/g•K) has a temperature of 325 K. It is placed in a beaker of cold water. If the aluminum cools to 301 K as the water absorbs 815.7 J of heat, what is the mass of the cube?Use the formula q = mCT. g

Revolt · Accepted Answer

37.9

Question 9

The specific heat of water is 4.18 J/g•°C. How much heat does 225.0 g of water release when it cools from 85.5°C to 50.0°C? Use the formula q = mCT.

Revolt · Accepted Answer

3.34 x 10 J

Question 10

Which of the following equations is the correct one to use to calculate the specific heat of the metal?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3210-08-03-10-10-task/mc001-2.jpg

Heat Answers

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