A person goes on a 1500-Cal-per-day diet to lose weight. What is his daily energy allowance expressed in joules?
Answer to relevant QuestionsTo determine the specific heat of a new metal alloy, 0.150 kg of the substance is heated to 400oC and then placed in a 0.200-kg aluminum calorimeter cup containing 0.400 kg of water at 10.0oC. If the final temperature of the ...How much heat is required to melt a 2.5-kg block of ice at 0oC? How much heat is required to completely boil away 0.50 L of liquid nitrogen at - 196oC? (Take the density of liquid nitrogen to be 0.80 x 103 kg/m3.) Evaporation of water from our skin is a very important mechanism for controlling body temperature. (a) This is because (1) water has a high specific heat, (2) water has a high latent heat of vaporization, (3) water contains ...Assume that your skin has an emissivity of 0.70, a nor-mal temperature of 34 oC, and a total exposed area of 0.25 m2. How much heat energy per second do you lose due to radiation if the outside temperature is 22 oC?
Post your question