Calculate the number of calories in a food product that has 14g of fat, 20g of carbohydrates and 4g of protein.

How many atoms are in 2 moles of phosphorus?

In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.