17.2 Measuring and Expressing Enthalpy Changes
Chemistry
10th Grade
NGSS covered
Used 73+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The SI unit of heat and energy is the __________.
Tags
NGSS.HS-PS3-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Temperature is a measure of average [blank] energy of individual atoms.
Tags
NGSS.HS-PS3-2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ΔH value in an endothermic reaction is a positive number.
Tags
NGSS.HS-PS1-4
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
For which of these processes is the value of ΔH expected to be positive?
1. The temperature increases when calcium chloride dissolves in water.
2. Steam condenses to liquid water
3. Water boils
4. Dry ice sublimates
Tags
NGSS.HS-PS1-4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The diagram represents which type of reaction
Tags
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
_?_ is the amount of energy required to raise the temperature of 1 gram of any substance 1oC.
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Chemical reactions that absorb energy are called
Tags
NGSS.HS-PS1-4
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