1
Q
Define EXOTHERMIC
A
Releasing heat energy into surroundings
2
Q
Define ENDOTHERMAL
A
Absorbs heat energy from surroundings
3
Q
Formula for EXOTHERMIC
Product/reactant/energy
A
Reactants —-> Product +energy
4
Q
Formula for ENDOTHERMAL
Product/reactant/energy
A
Energy + reactant —-> Product
5
Q
How do u know if the energy is on the reactant side or product side
A
Negative number = EXOTHERMIC/left side
Positive number = ENDOTHERMAL /right side
6
Q
2NH(3).
Energy from one NH(3) is 389. How do u find the energy for 2NH(3)
A
6 N-H =
6(389) =2334 kj
7
Q
Formula to find energy of reaction
A
Reactant (energy) - Product (energy)
SCIENCE (SEC 4) ST+EST
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