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A first order reaction has a rate constant `1.15xx10^(-3)s^(-1)`. How long will `5g` of this reactant take to reduce to `3g`` ?
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A first order reaction has a rate constant...
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Jan 4, 2022
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JackTerrance
A first order reaction has a rate constant 1.15×10-3s-1 . How long will 5g of this reactant take to reduce to 3g ` ? Select the correct answer from above options
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Jan 4, 2022
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JackTerrance
Correct Answer - 444s Initial amount (a)=5g Amount reduce to (a-x)=3g t= 2.303 k log a (a-x) = 2.3 1.15×10-3s-1 log 5g 3g =2.00×103log(1.667)s =2.00×103×0.2219s =443.85≈444s
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