The energy diagram shown represents the chemical reaction between solid ammonium chloride and solid barium hydroxide octahydrate:
2nh4cl(s)+ba(oh)2⋅8h2o(s)→2nh3(aq)+ bacl2(aq)+10h2o(l)
the δh for this reaction is 54.8 kj . how much energy would be absorbed if 24.3 g of nh4cl reacts?

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