Evaporating sweat cools the body because the evaporation is an endothermic process Estimate the mass of water that must evaporate from the skin to cool the body by 0.50 degrees C. Assume a body mass of 95 kg and assume the specific heat capacity of the body is 4.0 J/g . C

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.

Sand is more likely than shale to preserve fossils. true false

The vapor pressure of water at 25.0°c is 23.8 torr. determine the mass of glucose (molar mass = 180 g/mol) needed to add to 500.0 g of water to change the vapor pressure to 22.8 torr.