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21. Consider the following balanced redox reaction: 2Cr3+ (aq) + 7H2O(l) + 6Fe3+ (aq) + Cr20,2-(aq) + 14H+ (aq) + 6Fe2+ (aq)13. (1 mark) Which statement is TRUE about the reversible compression of an ideal gas? Decreasing the volume of the gas will

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| 21 @ Let the oxidation no of Cr in croft is a. 3. Then, 28+ (-2):7==2 . : 231 - 14 = -21€ . » 20 = +12mes → Ta = 461 ② oxid

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21. Consider the following balanced redox reaction: 2Cr3+ (aq) + 7H2O(l) + 6Fe3+ (aq) + Cr20,2-(aq)...
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