Emeka carried out a reaction in which a gas was given off. He followed the progress of the reaction by measuring the mass of the reaction vessel over time. After 5 minutes the mass of the reaction vessel
had decreased from 120g to 114.5g. Calculate the rate of this reaction.

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

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

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted