Energy changes in reactions and Reversible reactions. Flashcards
1
Q
What is a ‘endothermic’ reaction?
A
Heat energy is taken in.
2
Q
Name 2 reactions that take in energy.
A
- Thermal decomposition
* photosynthesis
3
Q
What is a ‘exothermic’ reaction?
A
Heat energy is given out to the surroundings.
4
Q
Name 4 reactions that give out energy.
A
- Decomposition of hydrogen peroxide
- Burning magnesium
- Combustion(burning)
- Respiration
5
Q
What is another name for white copper sulphate?
A
Anhydrous copper Sulphate
6
Q
What does ‘anhydrous’ mean?
A
Without water
