Chemical Systems and State Functions

Quiz
•
Chemistry
•
9th - 12th Grade
•
Easy
+4
Standards-aligned
Charles Martinez
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How can the heat of reaction be determined from the standard heats of formation of the reactants and products?
Reactants ---------> Products
Add the standard heats of formation of the reactants and the products.
Multiply the standard heats of formation of the reactants by that of the products.
Subtract the standard heats of formation of the reactants from that of the products.
Subtract the standard heats of formation of the products from that of the reactants.
Tags
NGSS.HS-PS3-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
.
Is the flow of energy during vaporizing more like the flow of energy during melting or during freezing?
It is more like the flow of energy during melting because both processes absorb energy.
It is more like the flow of energy during freezing because both processes absorb energy.
It is more like the flow of energy during melting because both processes release energy.
It is more like the flow of energy during freezing because both processes release energy.
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
.
A calorimeter holds 125 g water at 22.0°C, warm silver is added and the final temperature of the water and silver is 24.0 °C. How many calories of heat are produced?
0.275 calories
27.5 calories
250 calories
275 calories
Tags
NGSS.HS-PS3-4
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What type of energy flows naturally from a hot object to a cooler object?
potential energy
light energy
thermal energy
mechanical energy
Tags
NGSS.HS-PS3-2
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
.
How does an exothermic reaction compare with an endothermic reaction?
Both changes absorb energy as reactants become products.
Both changes release energy as reactants become products.
An exothermic reaction absorbs energy, and an endothermic reaction releases energy.
An endothermic reaction absorbs energy, and an exothermic reaction releases energy.
Tags
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happens to the surroundings when a substance freezes?
The surroundings get cooler.
The surroundings get warmer.
The surroundings transfer thermal energy to the substance.
The substance absorbs thermal energy from the surroundings.
Tags
NGSS.HS-PS3-2
NGSS.HS-PS3-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
.
How does the flow of energy during freezing compare with the flow of energy during melting?
In each process, energy flows into the material undergoing the change.
In each process, energy flows out of the material undergoing the change.
Energy flows into a substance that is freezing and out of a substance that is melting.
Energy flows out of a substance that is freezing and into a substance that is melting.
Tags
NGSS.MS-PS1-4
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