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Is the process of water evaporating endothermic or exothermic?(1 point) Responses It is exothermic because as the liquid water...Question
Is the process of water evaporating endothermic or exothermic?(1 point)
Responses
It is endothermic because as the liquid water changes into water vapor, it releases heat into the air.
It is endothermic because as the liquid water changes into water vapor, it releases heat into the air.
It is exothermic because as the liquid water changes into water vapor, it releases heat into the air.
It is exothermic because as the liquid water changes into water vapor, it releases heat into the air.
It is exothermic because heat from the surroundings has to be absorbed by the water in order to change states.
It is exothermic because heat from the surroundings has to be absorbed by the water in order to change states.
It is endothermic because heat from the surroundings has to be absorbed by the water in order to change states.
It is endothermic because heat from the surroundings has to be absorbed by the water in order to change states.A burner in a gas stove breaks propane and oxygen up to form carbon dioxide and water, thereby heating a home. Which part is the source of the activation energy required, and is this reaction endothermic or exothermic?(1 point)
Responses
The flame from the burner provides the energy to perform the reaction. The reaction is exothermic.
The flame from the burner provides the energy to perform the reaction. The reaction is exothermic.
The burning propane gas provides the energy to perform the reaction. The reaction is endothermic.
The burning propane gas provides the energy to perform the reaction. The reaction is endothermic.
The flame from the burner provides the energy to perform the reaction. The reaction is endothermic.
The flame from the burner provides the energy to perform the reaction. The reaction is endothermic.
The burning propane gas provides the energy to perform the reaction. The reaction is exothermic.Question
Which change does heat energy cause?(1 point)
Responses
more collisions between molecules
more collisions between molecules
slower molecule movement
slower molecule movement
greater energy differences between molecules
greater energy differences between molecules
reduced energy transferWhich statement is true about molecule speed?(1 point)
Responses
Slower molecules are smaller than faster molecules.
Slower molecules are smaller than faster molecules.
Faster molecules have more energy than slower molecules.
Faster molecules have more energy than slower molecules.
Faster molecules have fewer collisions than slower molecules.
Faster molecules have fewer collisions than slower molecules.
Slower molecules are oriented better than faster molecules.The chemical reaction shown is exothermic.
CH4 + N2 + H2 → CH3N + NH3
Which statement about the reaction is correct?
(1 point)
Responses
It takes more energy to form C–H bonds in the reactants than is released from C–H bonds in the products.
It takes more energy to form C–H bonds in the reactants than is released from C–H bonds in the products.
The total chemical potential energy of the reactants is greater than the total chemical potential energy of the products.
The total chemical potential energy of the reactants is greater than the total chemical potential energy of the products.
Each reactant has more chemical potential energy than each product.
Each reactant has more chemical potential energy than each product.
More chemical potential energy is stored in the bonds of CH4 than in the bonds of CH3N.
also put a b c or d
Responses
It is endothermic because as the liquid water changes into water vapor, it releases heat into the air.
It is endothermic because as the liquid water changes into water vapor, it releases heat into the air.
It is exothermic because as the liquid water changes into water vapor, it releases heat into the air.
It is exothermic because as the liquid water changes into water vapor, it releases heat into the air.
It is exothermic because heat from the surroundings has to be absorbed by the water in order to change states.
It is exothermic because heat from the surroundings has to be absorbed by the water in order to change states.
It is endothermic because heat from the surroundings has to be absorbed by the water in order to change states.
It is endothermic because heat from the surroundings has to be absorbed by the water in order to change states.A burner in a gas stove breaks propane and oxygen up to form carbon dioxide and water, thereby heating a home. Which part is the source of the activation energy required, and is this reaction endothermic or exothermic?(1 point)
Responses
The flame from the burner provides the energy to perform the reaction. The reaction is exothermic.
The flame from the burner provides the energy to perform the reaction. The reaction is exothermic.
The burning propane gas provides the energy to perform the reaction. The reaction is endothermic.
The burning propane gas provides the energy to perform the reaction. The reaction is endothermic.
The flame from the burner provides the energy to perform the reaction. The reaction is endothermic.
The flame from the burner provides the energy to perform the reaction. The reaction is endothermic.
The burning propane gas provides the energy to perform the reaction. The reaction is exothermic.Question
Which change does heat energy cause?(1 point)
Responses
more collisions between molecules
more collisions between molecules
slower molecule movement
slower molecule movement
greater energy differences between molecules
greater energy differences between molecules
reduced energy transferWhich statement is true about molecule speed?(1 point)
Responses
Slower molecules are smaller than faster molecules.
Slower molecules are smaller than faster molecules.
Faster molecules have more energy than slower molecules.
Faster molecules have more energy than slower molecules.
Faster molecules have fewer collisions than slower molecules.
Faster molecules have fewer collisions than slower molecules.
Slower molecules are oriented better than faster molecules.The chemical reaction shown is exothermic.
CH4 + N2 + H2 → CH3N + NH3
Which statement about the reaction is correct?
(1 point)
Responses
It takes more energy to form C–H bonds in the reactants than is released from C–H bonds in the products.
It takes more energy to form C–H bonds in the reactants than is released from C–H bonds in the products.
The total chemical potential energy of the reactants is greater than the total chemical potential energy of the products.
The total chemical potential energy of the reactants is greater than the total chemical potential energy of the products.
Each reactant has more chemical potential energy than each product.
Each reactant has more chemical potential energy than each product.
More chemical potential energy is stored in the bonds of CH4 than in the bonds of CH3N.
also put a b c or d
Answers
GPT-4o mini
Sure! Here are the answers with the corresponding letter options:
1. **Is the process of water evaporating endothermic or exothermic?**
- **Answer:** It is endothermic because heat from the surroundings has to be absorbed by the water in order to change states.
- **Response:** **d**
2. **A burner in a gas stove breaks propane and oxygen up to form carbon dioxide and water, thereby heating a home. Which part is the source of the activation energy required, and is this reaction endothermic or exothermic?**
- **Answer:** The flame from the burner provides the energy to perform the reaction. The reaction is exothermic.
- **Response:** **a**
3. **Which change does heat energy cause?**
- **Answer:** More collisions between molecules.
- **Response:** **a**
4. **Which statement is true about molecule speed?**
- **Answer:** Faster molecules have more energy than slower molecules.
- **Response:** **b**
5. **The chemical reaction shown is exothermic. CH4 + N2 + H2 → CH3N + NH3. Which statement about the reaction is correct?**
- **Answer:** The total chemical potential energy of the reactants is greater than the total chemical potential energy of the products.
- **Response:** **b**
Please let me know if you need further assistance!
1. **Is the process of water evaporating endothermic or exothermic?**
- **Answer:** It is endothermic because heat from the surroundings has to be absorbed by the water in order to change states.
- **Response:** **d**
2. **A burner in a gas stove breaks propane and oxygen up to form carbon dioxide and water, thereby heating a home. Which part is the source of the activation energy required, and is this reaction endothermic or exothermic?**
- **Answer:** The flame from the burner provides the energy to perform the reaction. The reaction is exothermic.
- **Response:** **a**
3. **Which change does heat energy cause?**
- **Answer:** More collisions between molecules.
- **Response:** **a**
4. **Which statement is true about molecule speed?**
- **Answer:** Faster molecules have more energy than slower molecules.
- **Response:** **b**
5. **The chemical reaction shown is exothermic. CH4 + N2 + H2 → CH3N + NH3. Which statement about the reaction is correct?**
- **Answer:** The total chemical potential energy of the reactants is greater than the total chemical potential energy of the products.
- **Response:** **b**
Please let me know if you need further assistance!