Question
Reactions can be endothermic or exothermic. Decide if each statement or picture below is describing an endothermic or exothermic reaction.
Column A
1.
A reaction in which more bond energy is absorbed by the reactants than is given off by the products.:
A reaction in which more bond energy is absorbed by the reactants than is given off by the products.
2.
A reaction in which there is a net absorption of energy into the system from the surroundings.:
A reaction in which there is a net absorption of energy into the system from the surroundings.
3.
A reaction in which there is a net release of energy from the system into the surroundings.:
A reaction in which there is a net release of energy from the system into the surroundings.
4.
A reaction in which more bond energy is released by the products than is absorbed by the reactants.:
A reaction in which more bond energy is released by the products than is absorbed by the reactants.
5.
A reaction in which the product bonds are stronger than reactant bonds.:
A reaction in which the product bonds are stronger than reactant bonds.
6.
A reaction in which the reactant bonds are stronger than the product bonds.:
A reaction in which the reactant bonds are stronger than the product bonds.
7.
:
8.
:
9.
Since heat energy is released to the surroundings, the surroundings will feel warm.:
Since heat energy is released to the surroundings, the surroundings will feel warm.
10.
Since heat energy is absorbed from the surroundings, the surroundings will feel cold.:
Since heat energy is absorbed from the surroundings, the surroundings will feel cold.
Column B
a.Exothermic
b.Endothermic
Column A
1.
A reaction in which more bond energy is absorbed by the reactants than is given off by the products.:
A reaction in which more bond energy is absorbed by the reactants than is given off by the products.
2.
A reaction in which there is a net absorption of energy into the system from the surroundings.:
A reaction in which there is a net absorption of energy into the system from the surroundings.
3.
A reaction in which there is a net release of energy from the system into the surroundings.:
A reaction in which there is a net release of energy from the system into the surroundings.
4.
A reaction in which more bond energy is released by the products than is absorbed by the reactants.:
A reaction in which more bond energy is released by the products than is absorbed by the reactants.
5.
A reaction in which the product bonds are stronger than reactant bonds.:
A reaction in which the product bonds are stronger than reactant bonds.
6.
A reaction in which the reactant bonds are stronger than the product bonds.:
A reaction in which the reactant bonds are stronger than the product bonds.
7.
:
8.
:
9.
Since heat energy is released to the surroundings, the surroundings will feel warm.:
Since heat energy is released to the surroundings, the surroundings will feel warm.
10.
Since heat energy is absorbed from the surroundings, the surroundings will feel cold.:
Since heat energy is absorbed from the surroundings, the surroundings will feel cold.
Column B
a.Exothermic
b.Endothermic
Answers
GPT-4o mini
Here is the classification of each statement from Column A into endothermic or exothermic reactions:
1. A reaction in which more bond energy is absorbed by the reactants than is given off by the products.
- **b. Endothermic**
2. A reaction in which there is a net absorption of energy into the system from the surroundings.
- **b. Endothermic**
3. A reaction in which there is a net release of energy from the system into the surroundings.
- **a. Exothermic**
4. A reaction in which more bond energy is released by the products than is absorbed by the reactants.
- **a. Exothermic**
5. A reaction in which the product bonds are stronger than reactant bonds.
- **a. Exothermic**
6. A reaction in which the reactant bonds are stronger than the product bonds.
- **b. Endothermic**
9. Since heat energy is released to the surroundings, the surroundings will feel warm.
- **a. Exothermic**
10. Since heat energy is absorbed from the surroundings, the surroundings will feel cold.
- **b. Endothermic**
This classification reflects the fundamental differences in energy exchange between exothermic and endothermic reactions.
1. A reaction in which more bond energy is absorbed by the reactants than is given off by the products.
- **b. Endothermic**
2. A reaction in which there is a net absorption of energy into the system from the surroundings.
- **b. Endothermic**
3. A reaction in which there is a net release of energy from the system into the surroundings.
- **a. Exothermic**
4. A reaction in which more bond energy is released by the products than is absorbed by the reactants.
- **a. Exothermic**
5. A reaction in which the product bonds are stronger than reactant bonds.
- **a. Exothermic**
6. A reaction in which the reactant bonds are stronger than the product bonds.
- **b. Endothermic**
9. Since heat energy is released to the surroundings, the surroundings will feel warm.
- **a. Exothermic**
10. Since heat energy is absorbed from the surroundings, the surroundings will feel cold.
- **b. Endothermic**
This classification reflects the fundamental differences in energy exchange between exothermic and endothermic reactions.