Calculate the calories per gram for each food you tested by dividing the calorie value find the mass of the food. How do these values compared to the calories per gram shown on the nutrition label for each food.

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.