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Q 1/8
Score 0
A warm soda can is placed in an ice filled cold cooler. What energy transfer takes place?
30
Thermal energy is transferred from the can to the ice, cooling the soda and warming the water.
Cold energy is transferred to the can, warming the can and cooling the ice.
Cold energy is transferred to the can, cooling the can and warming the ice.
Thermal energy is transferred from the ice to the can, cooling the can and warming the water.
Q 2/8
Score 0
A reaction of baking soda and lemon juice takes place in a closed bag. Which is true about the final weight?
30
The end weight will be less because atoms were destroyed.
The end weight will be greater because new atoms are produced.
The end weight will be the same because atoms do not change.
The end weight will be the same because some atoms get destroyed and some new atoms are created.
8 questions
Q.
A warm soda can is placed in an ice filled cold cooler. What energy transfer takes place?
1
30 sec
Q.
A reaction of baking soda and lemon juice takes place in a closed bag. Which is true about the final weight?
2
30 sec
Q.
You hold a cold piece of metal in your hand until it warms up. What happened?
3
30 sec
Q.
You can't get the lid off a new pickle jar. You decide to run the lid under hot water to get the jar to open. What does the hot water do?
4
30 sec
Q.
How is average speed of molecules in an object related to that object's thermal energy?
5
30 sec
Q.
You've probably noticed that there are spaces between sidewalk blocks. Which explanation below is correct about what might happen to those spaces during a hot summer day?
6
30 sec
Q.
In a room temperature ball and sphere system, the ball can barely fit through the ring. When the metal ball is heated, what will happen?
7
30 sec
Q.
An empty, room temperature paper cup is filled with cold water. Which of the following correctly explains the transfer of thermal energy?
