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CHEM0304010
Find the volume of 0.8 mol of hydrogen gas at s.t.p.? (Molar Gas Volume at 2.t.p. = 22.4 dm³)
CHEM0304020
Find the number of mole of molecules in 12,000 cm³ of nitrogen gas at room temperature and pressure.
[Molar volume of gases at r.t.p. = 24dm³]
CHEM0304030
Find the volume occupied by 8.0g of hydrogen gas at room temperature and pressure.
[Ar: H = 1; Molar volume of gas at r.t.p. = 24,000cm³]
CHEM0304040
Find the mass of 36,000 cm3 of carbon dioxide gas at room temperature and pressure.
[Relative atomic mass: C = 12; O = 16; Molar volume of gas at r.t.p. = 24 dm3]
CHEM0304050
Find the number of particle in 1200cm³ of nitrogen gas at room temperature.
[Avogadro constant = 6.02 x 10²³; Molar volume of gas at r.t.p. = 24 dm³]
CHEM0304060
Which of the following sample of gases has the largest volume at s.t.p.? [Relative atomic mass: O = 16; Cl = 35.5; S = 32; N = 14; H = 1]
CHEM0304070
Which of the following quantities of gas have the same volume at room temperature and pressure?
[Relative Atomic Mass: Cl = 35.5; C = 12; O = 16; H = 1]
CHEM0304080
Find the mass of fluorine gas (F₂) that has the equal number of molecules with that of 4g of oxygen gas(O₂). [Relative atomic mass: O = 16, F = 19]