Do fat supply over twice the number of calories as the same weight of carbohydrates and proteins

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth