Which headings best complete the chart?
Sunidhi made a study chart about changes in states of
matter
X
Y
I
melting
sublimation
freezing
deposition
O X Solid Directly to Liquid
Y Liquid Directly to Solid
O X Liquid Directly to Solid
Y Solid Directly to Liquid
OX: Heat Is Released
Y Heat Is Absorbed
X Heat Is Absorbed
Y Heat Is Released

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg. how much energy e must be supplied to the device? express your answer in joules.

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).