You need to thaw the frozen chicken by placing it in the refrigerator a couple of days before we cook it. How much heat (in joules) must be added to in order to take the chicken from -4ºC to completely thawed? Thawing the chicken is the same process as melting. Do not include units with your answer.

Idon't understand what to put on the left lines i'm confused can anyone ?

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.

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