Answer:
Explanation:
Physical properties:
A. Is liquid at room temperature
B. Has a density of 1.0g/cm3
-----Density is a physical property
Chemical Properties
A. Can be split into Hydrogen and oxygen
------Hydrogen and Oxygen are the two atoms that makes up water. Electrolysis of water can dissociate the molecule into its constituent atoms.
B. Reacts with certain metals
-----Iron rust is a product of this reaction.
Explanation:
7,801,000,000 = 7.801 × 10^9
<span>77.1 kg = 77.1 x 2.20462 pounds = 169.976 pounds</span>
At STP (standard temperature and pressure) 1 mole of a gas takes up 22.4L
so 2.33/22.4=0.104 mol H2S