<prompt> How much amount of energy is yielded by one gm of alcohol in the body?1 cal4 cal7 cal9 cal  <response>: Alcohol supplies about 7calgm of energy. Energy yield of macro-nutrients Proximate principles: Nutrient Energy yield Carbohydrates 4 cal per gram 17 KJ Proteins 4 cal per gram 17 KJ Fats 9 cal per gram 37 KJ 