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Author: Tinku Tara

1-4H-2-O-2-FeSO-4-K-2-Cr-2-O-7-help-in-balancing-ironically-and-atomically-

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Question Number 10237 by Tawakalitu ayo mi last updated on 30/Jan/17 $$\left(\mathrm{1}\right)\:\mathrm{4H}_{\mathrm{2}} \mathrm{O}\:\: \\ $$$$\left(\mathrm{2}\right)\:\mathrm{FeSO}_{\mathrm{4}} \:+\:\mathrm{K}_{\mathrm{2}} \mathrm{Cr}_{\mathrm{2}} \mathrm{O}_{\mathrm{7}} \\ $$$$\mathrm{help}\:\mathrm{in}\:\mathrm{balancing}\:\mathrm{ironically}\:\mathrm{and}\:\mathrm{atomically}. \\ $$ Answered by ridwan…

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An-electron-moves-in-a-vacuum-between-two-electrode-having-a-p-d-of-3000v-calculate-the-velocity-acquired-by-the-electon-if-the-ratio-of-its-charge-to-mass-is-1-8-10-11-Ckg-1-

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Question Number 10236 by Tawakalitu ayo mi last updated on 30/Jan/17 $$\mathrm{An}\:\mathrm{electron}\:\mathrm{moves}\:\mathrm{in}\:\mathrm{a}\:\mathrm{vacuum}\:\mathrm{between} \\ $$$$\mathrm{two}\:\mathrm{electrode}\:\mathrm{having}\:\mathrm{a}\:\mathrm{p}.\mathrm{d}\:\mathrm{of}\:\mathrm{3000v},\:\mathrm{calculate} \\ $$$$\mathrm{the}\:\mathrm{velocity}\:\mathrm{acquired}\:\mathrm{by}\:\mathrm{the}\:\mathrm{electon}\:\mathrm{if}\:\mathrm{the}\:\mathrm{ratio} \\ $$$$\mathrm{of}\:\mathrm{its}\:\mathrm{charge}\:\mathrm{to}\:\mathrm{mass}\:\mathrm{is}\:\mathrm{1}.\mathrm{8}×\mathrm{10}^{\mathrm{11}} \mathrm{Ckg}^{−\mathrm{1}} \\ $$ Answered by ridwan balatif…

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Question-75770

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Question Number 75770 by Ajao yinka last updated on 16/Dec/19 Commented by ~blr237~ last updated on 17/Dec/19 $$\mathrm{A}=\int_{\mathrm{0}} ^{\infty} \frac{\mathrm{dx}}{\mathrm{e}^{\mathrm{x}} \sqrt{\mathrm{sinh2x}}}\:=\sqrt{\mathrm{2}}\int_{\mathrm{0}} ^{\infty} \frac{\mathrm{e}^{−\mathrm{x}} \mathrm{dx}}{\:\sqrt{\mathrm{e}^{\mathrm{2x}} −\mathrm{e}^{−\mathrm{2x}}…

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