Which of the following best describes a gas? A) The molecules ...

[faduma]

Which of the following best describes a gas?
 
  A) The molecules are moving quickly and are widely spaced.
  B) The molecules are moving slowly and closely spaced.
  C) The material has a fixed volume and a fixed shape.
  D) The material has a fixed volume but has no definite shape.
  E) The molecules are closely spaced but in random fashion.

Question 2

How many kilograms are in 452 mg?
 
  A) 4.52  10-7 kg
  B) 4.52  10-4 kg
  C) 0.452 kg
  D) 4.52  108 kg

[amit]

Answer to Question 1

A

Answer to Question 2

B

[faduma]

Thanks for the timely response, appreciate it

[billybob123]

Gracias!