If you wish to warm 50 kg of water by 22 C for your bath, find what the quantity of heat is needed. Express your answer in calories cal.

q=

Suppose that the 1.3-km main span of steel for the Golden Gate Bridge had no expansion joints.

Find the change in length of the bridge for an increase in temperature of 26 C. Assume that for steel, =1110^-6/C

L=

Quantity of heat: Q=cmT Find what heat in calories (calcal) is required to increase the temperature of 42 gg water from 0C to 70 C. The specific heat capacity of water is 1 cal/g C

Q=

 

Heat of vaporization : Q=mLv Find what heat in calories (calcal) is required to change 58 g of 100CC boiling water into steam. The heat of vaporization for water Lv is 540 cal/g

 

Q=

A 60-g chunk of 88 C iron is dropped into a cavity in a very large block of ice at 0C

What is the mass of ice that melts. (The specific heat capacity of iron is 0.11 cal/gC.

m=