Chemistry
The gases hydrogen, oxygen, carbon dioxide, sulphur dioxide and chlorine are arranged in order of their increasing relative molecular masses. Given 8 g of each gas at S.T.P., which gas will contain the least number of molecules and which gas the most?
Related Questions
Complete the following blanks in the equation as indicated.
CaH2 (s) + 2H2O (aq) ⟶ Ca(OH)2 (s) + 2H2 (g)
(a) Moles: 1 mole + …………… ⟶ …………… + ……………
(b) Grams: 42g + …………… ⟶ …………… + ……………
(c) Molecules: 6.02 x 1023 + …………… ⟶ …………… + ……………
Define or explain the terms:
(a) Vapour density
(b) Molar volume
(c) Relative atomic mass
(d) Relative molecular mass
(e) Avogadro's number
(f) Gram atom
(g) Mole
State:
(a) Gay-Lussac's Law of combining volumes.
(b) Avogadro's law