Energy Calculations in Heating Processes
Interactive Video
•
Physics, Chemistry, Science
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating the total energy needed for the heating process described in the video?
Heating liquid water from 0°C to 65°C
Melting ice at 0°C
Heating ice from -35°C to 0°C
Heating steam from 100°C to 120°C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to calculate the energy required to heat ice from -35°C to 0°C?
Q = m * L
Q = m * Cs * ΔT
Q = n * ΔH
Q = m * C * ΔT
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the specific heat capacity of ice used in the calculations?
1.00 J/g°C
6.02 kJ/mol
2.09 J/g°C
4.18 J/g°C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the enthalpy of fusion value used for melting ice in the video?
4.18 J/g°C
1.00 J/g°C
2.09 J/g°C
6.02 kJ/mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you convert the enthalpy of fusion from kJ/mol to J/mol?
Divide by 1000
Subtract 273
Multiply by 1000
Add 273
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the specific heat capacity of liquid water used in the calculations?
6.02 kJ/mol
2.09 J/g°C
4.18 J/g°C
1.00 J/g°C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to calculate the energy required to heat liquid water from 0°C to 65°C?
Q = m * L
Q = m * C * ΔT
Q = m * Cs * ΔT
Q = n * ΔH
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