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30 Mar 2018 — I'm doing a question about reacting NaBr with H2SO4 (to write the equation), but I don't understand their answerRead more

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My understanding is that (NH4)2SO4 reacts spontaneously with HCl to form NH4Cl and H2SO4. ... (NH4)2SO4 and HCl to form NH3 and H2O. But where does ...Read more

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9 Aug 2018 — Its where the hospital you were born in is. If you were born at home its where that address is.Read more

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im struggling with "Sin3x -sinx = 0" for x greater than 0 degrees and less than 360 degrees. I have a solution which gives me 4 angles.Read more

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Are these equations correct for the reaction of Cr3+ ions with NaOH solution? [Cr(H2O)6]3+ + 3OH- ---> [Cr(H2O)3(OH)3] + 3H2ORead more

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1 mole of a hydrocarbon of formula CnH2n was burned completely in oxygen producing carbon dioxide and water vapour only. It required 192g of oxygen.

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Dividing by an unknown- in this case sinx will get rid of one (+) of your solutions. Keep them always and factorise out the brackets.Read more

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