The grams of carbohydrate in one apple if the apple has no fat and no protein and provides 72 kcal of energy. what ate the kilocalories or kj?

One calorie is equivalent to 4.184 joules. If an apple has 72 kilocalories of energy, knowing that 1 kilocalorie is equal to 1000 calories, then it has 72000 calories. Then to convert it to joules multiply it by 4.184. Then you have _ joules. Then concvert it to kilojoules by dividing it by 1000, you have 301.248.

all eukaryotic cell have mitochondria : )

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.