Answer:
Formula and structure: Lead sulfide chemical formula is PbS and its molar mass is 239.26 g mol-1. Lead sulfide is formed by the cation Pb+2 (the lesser oxidized ion of Pb) and the anion S-2 (the lesser oxidizer ion of S).
Explanation:
Molar volume means that 1 mol of any gas occupies a volume of 22.4 L at standard temperature and pressure conditions.
the molar mass of Ar is 40 g/mol
this means that a mass of 40 g occupies a volume of 22.4 L
therefore a mass of 120 g of Ar occupies a volume of - 22.4 L / 40 x 120
therefore volume occupied by Ar - 67.2 L
Answer:
1. Pressure increases
2. Volume increases
Explanation:
1. According to Gay-Lussac's law, at constant volume, the ratio of temperature and pressure is constant or they are directly proportional which essentially means if one increases or decreases, the other will too.
2. According to Charles' law, the volume is directly proportional to the temperature at constant pressure.
Hope that helped:)