nettaboo9262
13.07.2020 •
Chemistry
CALCULATE THE VOLUME OF 16 g OF OXYGEN GAS AT S.T.P?
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Ответ:
To calculate the volume we must first find the number of moles
Number of moles (n ) = mass / Molar mass (M)
Since oxygen is diatomic
M of oxygen = 16 × 2 = 32g/mol
n = 16 / 32 = 0.5mol
Next we use the formula
V = n × V(dm³)
where V is the volume
V(dm³) is the volume of 1 mole of a substance at s.t.p which is
22.4dm³
Volume of oxygen gas at s.t.p is
0.5 × 22.4dm³
= 11.20dm³
Hope this helps you
Ответ:
A fusion reaction is when two smaller molecules join to form a larger molecule and energy is relased