What happens to a sample of water when it is heated between 4C ...

[maychende]

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.

[ms_sulzle]

Answer to Question 1

a

Answer to Question 2

a

[maychende]

Thanks for the timely response, appreciate it

[rachel]

Gracias!