HELPPP 1. How much energy is released when 500 g of 373 K vapor condenses into liquid water?

2. How many joules of energy are needed to melt 500 g of water to its freezing point?

3. If 5,100 joules of heat are released when a freezing sample is frozen, what is the mass of the water?

Gymnast always perform on padded mats. how does the mats protect the gymnast

Describe the interaction that occurs between two objects with the same electrical charge.

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