Author Question: What happens to a sample of water when it is heated between 4C and 100C? a. Its volume increases. ... (Read 64 times)

maychende · **on:** Jul 28, 2018

What happens to a sample of water when it is heated between 4C and 100C?
a. Its volume increases.
b. Its volume is reduced.
c. It vaporizes.
d. Nothing changes except its temperature.

Question 2

One roentgen is defined as
a. the amount of ionizing radiation that will produce 1/3 109 C of electric charge in 1 cm3 of air under standard conditions.
b. the amount of radiation that deposits 102 J of energy into 1 kg of absorbing material.
c. the amount of radiation needed for ionization of an atom.
d. the amount of radiation needed for dissociation of a molecule.
e. the amount of radiation that deposits 1 erg of energy in 1 g of air.