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U2-2-4 - Energy From Fuels
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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (7)
#1
Front (Question)
Eh = cm∆T What is ∆T?
Back (Answer)
Water temperature change (after heating) Always a positive number
#2
Front (Question)
Eh = cm∆T What are the units for m?
Back (Answer)
kg
#3
Front (Question)
Eh = cm∆T What is m?
Back (Answer)
Mass of water being heated (NOT mass of fuel!)
#4
Front (Question)
Eh = cm∆T What is the value of c?
Back (Answer)
4.18 (can be found in the data booklet)
#5
Front (Question)
Eh = cm∆T What are the units for Eh?
Back (Answer)
kJ (kilojoules)
#6
Front (Question)
What is the biggest source of error in this type of experiment?
Back (Answer)
Heat loss to surroundings Not all energy made during combustion is used to heat the water
#7
Front (Question)
How would you improve this setup to make the experiment more accurate?
Back (Answer)
Add a heat shield/draught shield This will reduce heat loss to surroundings