"Suppose that 1g of ice at 0°C is changed into 1g of steam at 100°C. What is the total increase in energy?"

I need to know the equations to get the answer 2,981J

1 Answer
Apr 21, 2018

#q_("total")=3012 J#

Explanation:

First the ice has to melt, then get heated up to #100^@#, and then evaporated so:

#q_("total")=mL_(f)+mcDeltat+mL_(v)#

#q_("total")=(1g)(334J/g)+(1g)(4.184 J/(g^@C))(100^@)+(1g)(2260J/g)=#

#q_("total")=3012 J#