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TGS SHC Questions 2 JBI

Posljednje ažuriranje over 5 years ago

6

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Pitanje 1

1.

Calculate the energy transferred when 3kg of copper is heated from 20^oC to 220^oC The specific heat capacity of copper is 390~J/kg/^oC

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Pitanje 2

2.

Calculate the energy needed to heat 2kg of water from 10^oC to 90^oC. The Specific heat capacity of water is 4200J/KgoC

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Pitanje 3

3.

Here are the specific heat capacity values of four different metals:
How much energy must be transferred into 1 kg of copper to raise its temperature by 1 °C?

Pitanje 4

4.

Here are the specific heat capacity values of four different metals:
Suppose you have 1 kg of each metal. Which one will need the most energy to raise its temperature by 1 °C?

Pitanje 5

5.

Here are the specific heat capacity values of four different metals:
The same amount of energy is transferred into 1 kg of each metal. Which one has the largest temperature rise?

Pitanje 6

6.

Here are the specific heat capacity values of four different metals:
How much energy must be transferred into 2 kg of iron to raise its temperature by 5°C?