Asked by Joey
The graph shows the temperature versus time relationship for 2 kg of particular substance. The substance is in the solid state at a room temperature of 20 degrees Celsius.
- The 100 joules of heat is needed to completely change the substance from a solid to a liquid state, what is the heat of fusion for the substance?
My work:
my answer i got is 50
- The 100 joules of heat is needed to completely change the substance from a solid to a liquid state, what is the heat of fusion for the substance?
My work:
my answer i got is 50
Answers
Answered by
bobpursley
your answer is worthless without units.
heat=Hf*mass
Hf= heat/mass= 100j/2kg= 50 j/kg
heat=Hf*mass
Hf= heat/mass= 100j/2kg= 50 j/kg
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