Physics, 23.11.2019 16:31 superfly903

1.what is true about heat capacity and specific heat?

a) only heat capacity accounts for mass.

b) both heat capacity and specific heat account for mass.

c) neither specific heat nor heat capacity accounts for mass.

d) only specific heat accounts for mass.

2. which of the following factors is not used in calculating the specific heat of a substance?

a) mass

b) temperature change

c) heat required for a temperature change

d) melting point

3. the amount of heat needed to raise 250 g of a substance by 15 k is 2,930 j. what is the specific heat of the substance ?

a) 0.78

b) 11,000

c) 780

d) 1.1 × 10^7

4. if 50 g of liquid water [c = 4,180 j/(kgk)] changes temperature in a calorimeter from 298 k to 348 k, then how much heat is transferred?

a) 10.5 j

b) 10.5 kj

c) 72.7 j

d) 100 kj

Answers: 2

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1.what is true about heat capacity and specific heat?

a) only heat capacity accounts fo...