FACTORY ESCAPE GAME
start
Chemistry Spring 25 - Unit 4 Test Review
THE MISSION
Your mission is to answer as many questions as you can correctly so you can prepare for your Unit 4 Test.
THE base
Find the clue you need to keep moving forward
QUESTION 1/3
In an exothermic reaction, the energy of the products is less than the energy of the reactants.
In an endothermic reaction, the energy of the products is less than the energy of the reactants.
Which statement is true?
In an exothermic reaction, the energy of the products is the same as the energy of the reactants.
In an endothermic reaction, the energy of the products is the same as the energy of the reactants.
QUESTION 2/3
25 kJ
A chemical reaction is carried out in a closed container. The energy absorbed by the chemical reaction is 50kJ. What is the energy liberated from the air or the walls of the container?
50 kJ
75 kJ
100 kJ
QUESTION 3/3
It measures the pressure or the reaction.
In a calorimetry experiment, what does the heat absorbed by the calorimeter indicate?
It has no significance in the experiment.
It indicates the heat change of the reaction.
It shows the temperature of the calorimeter.
THE base
Find the clue you need to keep moving forward
QUESTION 1/3
Condensation
Which example is an exothermic reaction?
Melting Ice
dissolving sugar in water
QUESTION 2/3
H > 0
What is likely to be true about the H for this reaction?C6H6 (l) --> C6H6 (s)
H < 0
H = 0
QUESTION 3/3
4.61 kJ
How much heat do you need to raise the temperature of 150 g of ice (specific heat = 2.05 J/g*C) from -30*C to -15*C? Use q=cmT
5.49 kJ
9.40 kJ
the base
Find the clue you need to keep moving forward
QUESTION 1/3
Energy is always lost in a reaction.
Whic of the following statements is true regarding the first law of thermodynamics?
Energy is conserved in a chemical reaction.
Energy can only be absorbed not released.
Eneregy can be created from nothing.
QUESTION 2/3
6.68 J
334 J
In a calorimeter, 20 g of ice absorbe heat with an enthalpy of fusion of 334 J/g. What is the heat absorbed? q=mHf
6.68 kJ
3.34 kJ
QUESTION 3/3
-50 kJ
Determine the heat of reaction, H, (enthalpy change) for this reaction.
50 kJ
100 kJ
250 kJ
the base
Find the clue you need to keep moving forward
QUESTION 1/3
To control the temperature of the reaction.
To measure thevolume of the reactants.
In a calorimetry experiment, what is the purpose of the calorimeter?
To measure the pressure of the reaction.
To measure the heat change of the reaction
QUESTION 2/3
Iron (specific heat is 0.442 J/g*C)
gold (specific heat is 0.129 J/g*C)
Two hundred grams of a substance requires 1804 Joules of heat to raise its temperature from 25*C --> 45*C. q=mCTMass (m) is in grams. Temperature is in degrees Celsius.
copper (specific heat is 0.385 J/g*C)
ethanol (specific heat is 2.46J/g*C)
QUESTION 3/3
They absorb heat from the surroundings.
They release heat to the surroundings.
Which of the following is a characteristic of exothermic reactions?
They do not involve energy changes.
They require energy to proceed.
the base
Find the clue you need to keep moving forward
Although the molecules collide, no heat transfers because there is no temperature difference between the objects.
QUESTION 1/3
Heat transfers from object A to object B, because molecules from A collide with those from B.
Two objects (A and B) of the same temperature are in contact with each other. Which statement is true?
Heat transfers from object B to object A, because molecules from B collide with those from A.
No heat transfers, because there are no collisions between the molecules of the objects.
QUESTION 2/3
mass
heat
Which term measures the enegy transferred from one object to another?
volume
temperature
QUESTION 3/3
exothermic reaction
you cannot determine
Does the graph represent an endothermic or exothermic reaction?
endothermic reaction
both reactions are represented in the graph shown
Mission Complete
You've saved the base and are ready to take your Unit 4 Test!
START OVER?
Are you sure you want to go out?
You will lose progress
exit
back
MISSION FAILED
You've destroyed the base......
try again
FACTORY ESCAPE GAME - Unit 4 Test Review
Shayla Pavillard
Created on March 4, 2025
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Transcript
FACTORY ESCAPE GAME
start
Chemistry Spring 25 - Unit 4 Test Review
THE MISSION
Your mission is to answer as many questions as you can correctly so you can prepare for your Unit 4 Test.
THE base
Find the clue you need to keep moving forward
QUESTION 1/3
In an exothermic reaction, the energy of the products is less than the energy of the reactants.
In an endothermic reaction, the energy of the products is less than the energy of the reactants.
Which statement is true?
In an exothermic reaction, the energy of the products is the same as the energy of the reactants.
In an endothermic reaction, the energy of the products is the same as the energy of the reactants.
QUESTION 2/3
25 kJ
A chemical reaction is carried out in a closed container. The energy absorbed by the chemical reaction is 50kJ. What is the energy liberated from the air or the walls of the container?
50 kJ
75 kJ
100 kJ
QUESTION 3/3
It measures the pressure or the reaction.
In a calorimetry experiment, what does the heat absorbed by the calorimeter indicate?
It has no significance in the experiment.
It indicates the heat change of the reaction.
It shows the temperature of the calorimeter.
THE base
Find the clue you need to keep moving forward
QUESTION 1/3
Condensation
Which example is an exothermic reaction?
Melting Ice
dissolving sugar in water
QUESTION 2/3
H > 0
What is likely to be true about the H for this reaction?C6H6 (l) --> C6H6 (s)
H < 0
H = 0
QUESTION 3/3
4.61 kJ
How much heat do you need to raise the temperature of 150 g of ice (specific heat = 2.05 J/g*C) from -30*C to -15*C? Use q=cmT
5.49 kJ
9.40 kJ
the base
Find the clue you need to keep moving forward
QUESTION 1/3
Energy is always lost in a reaction.
Whic of the following statements is true regarding the first law of thermodynamics?
Energy is conserved in a chemical reaction.
Energy can only be absorbed not released.
Eneregy can be created from nothing.
QUESTION 2/3
6.68 J
334 J
In a calorimeter, 20 g of ice absorbe heat with an enthalpy of fusion of 334 J/g. What is the heat absorbed? q=mHf
6.68 kJ
3.34 kJ
QUESTION 3/3
-50 kJ
Determine the heat of reaction, H, (enthalpy change) for this reaction.
50 kJ
100 kJ
250 kJ
the base
Find the clue you need to keep moving forward
QUESTION 1/3
To control the temperature of the reaction.
To measure thevolume of the reactants.
In a calorimetry experiment, what is the purpose of the calorimeter?
To measure the pressure of the reaction.
To measure the heat change of the reaction
QUESTION 2/3
Iron (specific heat is 0.442 J/g*C)
gold (specific heat is 0.129 J/g*C)
Two hundred grams of a substance requires 1804 Joules of heat to raise its temperature from 25*C --> 45*C. q=mCTMass (m) is in grams. Temperature is in degrees Celsius.
copper (specific heat is 0.385 J/g*C)
ethanol (specific heat is 2.46J/g*C)
QUESTION 3/3
They absorb heat from the surroundings.
They release heat to the surroundings.
Which of the following is a characteristic of exothermic reactions?
They do not involve energy changes.
They require energy to proceed.
the base
Find the clue you need to keep moving forward
Although the molecules collide, no heat transfers because there is no temperature difference between the objects.
QUESTION 1/3
Heat transfers from object A to object B, because molecules from A collide with those from B.
Two objects (A and B) of the same temperature are in contact with each other. Which statement is true?
Heat transfers from object B to object A, because molecules from B collide with those from A.
No heat transfers, because there are no collisions between the molecules of the objects.
QUESTION 2/3
mass
heat
Which term measures the enegy transferred from one object to another?
volume
temperature
QUESTION 3/3
exothermic reaction
you cannot determine
Does the graph represent an endothermic or exothermic reaction?
endothermic reaction
both reactions are represented in the graph shown
Mission Complete
You've saved the base and are ready to take your Unit 4 Test!
START OVER?
Are you sure you want to go out?
You will lose progress
exit
back
MISSION FAILED
You've destroyed the base......
try again