Answer:
are there any options for us to choose from? or is it just fill in the blank
Answer:
The new volume of the gas is 276.45 mL.
Explanation:
Answer:
the motion of molecules increases
Answer:
3.49 g
Explanation:
The mass is the product of volume and density:
(8.96 g/cm³)(0.39 cm³) ≈ 3.49 g
The mass of a pure-copper penny would be 3.49 g.