How many calories are needed to warm 75.1 g of water at -32.7c to 127c

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

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

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .