Thermochemistry Practice

Quiz
•
Chemistry
•
11th Grade
•
Medium
+2
Standards-aligned
My Nguyen
Used 97+ times
FREE Resource
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21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The potential energy diagram of a reaction is shown. Which statement below is correct relating to this reaction?
#1 represents the enthalpy change for this exothermic reaction.
#2 represents the enthalpy change for this endothermic reaction.
#3 represents the enthalpy change for this endothermic reaction.
#4 represents the enthalpy change for this exothermic reaction.
Tags
NGSS.HS-PS1-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During an exothermic reaction, heat content in the surroundings increases because
heat energy is destroyed during reactions
the reaction absorbs heat energy
the energy contained in the reactants is lower then the products
the energy contained in the products is lower than the reactants
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram represents two solids and the temperature of each. What occurs when the two solids are placed in contact with each other?
Heat energy flows from solid A to solid B. Solid A decreases in temperature
Heat energy flows from solid A to solid B. Solid A increases in temperature
Heat energy flows from solid B to solid A. Solid B decreases in temperature.
Heat energy flows from solid B to solid A. Solid B increases in temperature.
Tags
NGSS.HS-PS3-4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A 12 g of gold increases from 45°C to 15°C is -47 J, What is the specific heat capacity of gold? What variable are you solving for?
Cp
m
ΔT
q
Tags
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cast iron skillet is used to fry bacon. For optimal frying, the pan must be heated to about 178 oC from a room temperature of 22.0 oC. It is known that 1.58 x 105 J of heat energy are absorbed by the pan to reach the desired temperature and the specific heat of iron is 0.450 J/g oC. What mass of bacon was fried? What units should your answer be in?
m
kg
C
J
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How many Joules of energy are required to change 10 gram of water from 20 C to 90 C? What variable are you solving for?
Cp
q
m
T
Tags
NGSS.HS-PS3-1
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