A 22.9 g sample of iron absorbs 155 J of heat,upon which the temperature of the sample increases from to What is the specific heat of iron?

Question

A 22.9 g sample of iron absorbs 155 J of heat,upon which the temperature of the sample increases from  to  What is the specific heat of iron?

Quizplus · Accepted Answer

Using the formula: q = m*c*(delta T)
where q is the heat absorbed, m is the mass, c is the specific heat, and delta T is the change in temperature.
Rearranging the formula to solve for c:
c = q/(m*delta T)
Plugging in the values:
c = 155 J / (22.9 g * (347.15 K - 300 K))
c = 0.451 J/g-K 
Therefore, the specific heat of iron is 0.451 J/g-K.

A 229 G Sample of Iron Absorbs 155 J of Heat,upon