I have three questions please, 1. A 69.184 g sample of the unknown metal displac

Question

I have three questions please,
1. A 69.184 g sample of the unknown metal displaced 6.2 ml of water. What is density?

2. Define molar heat capacity?

3. Define specific heat capacity?

I have three questions please,
1. A 69.184 g sample of the unknown metal displaced 6.2 ml of water. What is density?

2. Define molar heat capacity?

3. Define specific heat capacity?


1. A 69.184 g sample of the unknown metal displaced 6.2 ml of water. What is density?

2. Define molar heat capacity?

3. Define specific heat capacity?

Explanation / Answer

1) density = Mass/Volume = 69.184/6.2 = 11.16 g/mL

2) The amount of heat needed to increase the temperature of one mole of a substance by one degree is the molar heat capacity.

Joules/Mole

3) Specific Heat Capacity of a substance is defined as, the amount of heat required to increase/raise the temperature of 1 gram of the substance by 1oC (or by 1 Kelvin).

Joules/gram

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