Edexcel AS Chemistry - Enthalpy Changes

A quiz on edexcel AS Chemistry - Enthalpy Changes

  • Created by: Sophie
  • Created on: 03-01-12 13:15
The first law for thermodynamics states that..
energy cannot be created or destroyed
1 of 5
If the enthalpy of reaction is negative, is the reaction...
Exothermic?
2 of 5
What is the specific heat capacity of water?
4.18 Jcm-3 k-1
3 of 5
Calculate the energy given out when temperature rise is 2.54°C, 100cm³ of solution was used and the specific heat capacity is 4.18 Jcm-3 k-1.
1061.72J
4 of 5
What is the definition of the standard enthalpy of combustion?
The enthalpy change when one mole of a substance completely reacts with oxygen under standard conditions
5 of 5

Other cards in this set

Card 2

Front

If the enthalpy of reaction is negative, is the reaction...

Back

Exothermic?

Card 3

Front

What is the specific heat capacity of water?

Back

Preview of the front of card 3

Card 4

Front

Calculate the energy given out when temperature rise is 2.54°C, 100cm³ of solution was used and the specific heat capacity is 4.18 Jcm-3 k-1.

Back

Preview of the front of card 4

Card 5

Front

What is the definition of the standard enthalpy of combustion?

Back

Preview of the front of card 5

Comments

kemikemi

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Would like more distractor options. Also units are often omitted and an error in Q 7 I believe.

Sophie

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Thanks for your comment. Can you explain the mistake in Q7 and then I can change it because at the moment I can not spot it.

faryal

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CL is supposed to be diatomic on Q7.

Sophie

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Thanks for letting me know. I've changed it now.

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