Using the phase diagram for H20, what phase is water in at 1 atm pressure and -5°C?
A. It is in the liquid phase.
O B. It is in the solid phase.
O c. It is in the gas phase.
D. It is at its melting point.

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature. a not enough information is given to answer this question b sixteen, will not change c four, will not change d four, will increase e sixteen, will decrease

Afraction can be converted to a decimal by dividing the denominator into the numerator. use a calculator. divide to convert the fractions from part a to decimals. then describe the pattern you see in the decimal.