What is the volume, in liters, of 3.75 moles of O2 gas at STP?
2 answers:
Answer : The volume of oxygen gas is 84.0 liters.
Explanation : Given,
Moles of oxygen gas = 3.75 moles
Now we have to determine the volume of oxygen gas at STP.
As we know that at STP, 1 mole of substance occupies 22. 4 L volume of gas.
As, 1 mole of gas occupies 22.4 L volume of
gas
So, 3.75 moles of gas occupies
volume of
gas
Therefore, the volume of oxygen gas is 84.0 liters.
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Answer:
22Ω
Explanation:
Given parameters:
Potential difference = 3.3V
Current = 0.15A
Unknown:
Resistance = ?
Solution:
According to ohm's law, potential difference, current and resistance are related by the expression below;
V = I R
where V is the voltage
I is the current
R is the resistance
3.3 = 0.15 x R
R = = 22Ω