Reactions 2 Flashcards
1
Q
What is the law of conservation of mass?
A
During a chemical reaction there is no change in mass. This is because we cannot create or destroy atoms. I’m a chemical reaction atoms are rearranged.
2
Q
What is an endothermic reaction?
A
An endothermic reaction is a reaction in which energy is taken in making the surroundings cold.
3
Q
What is an exothermic reaction?
A
An exothermic reaction is a reaction in which energy is given out, making the surroundings hot.
4
Q
Is making bonds an endo or exothermic reaction?
A
Endothermic
