Answer: The molecular weight of the gas 28. The gas is probably N2
Explanation:Please see attachment for explanation
Explanation:
87.329 g/32.32 cm³ = 2. 70 g/cm³
Answer:
4
Answer: Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.