How many electrons can be present in an atom having three principal energy levels? *
2 answers:
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Answer : The volume of water produced by this reaction would be, 4.75 liters.
Explanation : Given,
Volume of HCl gas = 9.5 L
The balanced chemical reaction will be:
As we know that at STP, 1 mole of gas occupy 22.4 L volume of gas.
By the stoichiometry we can say that:
As, 4 liter volume of HCl gas react to give 2 liter volume of water
So, 9.5 liter volume of HCl gas react to give volume of water
Therefore, the volume of water produced by this reaction would be, 4.75 liters.
Answer:
2.6 atm
Explanation:
At constant temperature, solubility of gas increases as pressure increases, Hence, they varies directly proportional.
i.e S ∝ P
where:
S₁ and P₁ are the initial solubility and pressure of the gas
S₂ and P₂ are the final solubility and pressure of the gas
Making P₂ the subject of the formula from the above equation; we have:
where; it is given from the question that:
P₁ = 1.0 atm
S₁ = 0.36 g/L
S₂ = 9.5 g/L
Replacing the values into the above equation; we have:
P₂ = 2.6 atm
∴ The pressure needed to produce an aqueous solution containing 9.5 g/L of the same gas at 0°C = 2.6 atm