Which of the following is the correct word equation for the reaction described below?
mercury(ii) oxide breaks down when it is heated to form oxygen gas and liquid mercury.

a)oxygen gas + mercury → mercury(ii) oxide

b)mercury(ii) oxide + oxygen → mercury

c)mercury → mercury(ii) oxide + oxygen

d)mercury(ii) oxide → oxygen + mercury

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