An object has a mass of 441 g and a volume of 10cm3
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Answer:
Explanation:
Graham’s Law applies to the diffusion of gases:
The rate of diffusion (r) of a gas is inversely proportional to the square root of its molar mass (M).
If you have two gases, the ratio of their rates of diffusion is
The time for diffusion is inversely proportional to the rate.
Data:
t₂ = 222 s
t₁ = 175 s
M₁ = 28.01
Calculation :
The balanced redox reaction are given below
2CrO₂⁻(aq) + 2H₂O(l) + 6ClO⁻(aq) →2CrO₄²⁻(aq) + 3Cl₂(g) + 4OH⁻(aq)
The Cl species is oxidizing agent .
There are following steps involve in balanced redox reaction in basic medium .
- Divide the reaction into two half reactions .
- Balance the elements other than oxygen and hydrogen .
- Balance the oxygen atom by adding
.
- Balance the hydrogen atom by adding
.
- Balance the charge by adding
.
- Add
on both side
- Neutralize by combing
- Add the half reaction and simply .
The species which reduces the other species in the redox reaction is called oxidizing agent . Similarly , the species which oxidize the other species in the redox reaction is called reducing agent .
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