2. Calculate the amount of heat in kilocalories produced by the burning of 52.4 g of methane (CH) in an excess of air according to the following equation:
CH, + 02 - CO2 + 2H,0 + 890kJ

What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands