Reactions cannot occur without a certain minimum amount of energy. What is this minimum amount of energy called? A.the activatio
n energy B.the activated complex C.the kinetic energy of reactants D. the potential energy of products
2 answers:
Answer:
The correct answer is option A.
Explanation:
Activation energy is defined as amount of energy given to a chemical system with which results in chemical reaction.Or minimum amount of energy required by the reactants to undergo a chemical reaction.
Activation complex is a state in a chemical reaction which attained at very high temperature. It is an intermediate state between reactant and product.
The kinetic energy of reactants is the energy due to motion of the reactant molecules.
The potential energy of products is the chemical energy possessed in the bonds of the product.
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Answer:
Explanation:
There are two heat transfers involved: the heat lost by the metal block and the heat gained by the water.
According to the Law of Conservation of Energy, energy can neither be destroyed nor created, so the sum of these terms must be zero.
Let the metal be Component 1 and the water be Component 2.
Data:
For the metal:
For the water: