Exercise: 6.5kg of water (c=4189 j/(kg k)) is heated from t1=13âºc to t2=23âºc.
a) calculate the value of heat, in units of joules, transferred to the water. part
b) 0.5kg of water at t3=20âºc is added to the heated water.
what is the final temperature of the water, in units of kelvin?