a 170.0-g sample of metal at 78.0°c is added to 170.0 g of h2o(l) at 15.0°c in an insulated container. the temperature rises to 17.9°c. neglecting the heat capacity of the container, what is the specific heat of the metal? the specific heat of h2o(l) is 4.18 j/(g · °c).
