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NaBr with H2SO4 - AS Group 7

NaBr with H2SO4 - AS Group 7

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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what is formed when ammonium sulfate reacts with HCl acid?

what is formed when ammonium sulfate reacts with HCl acid?

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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anyone know what does town of birth means

anyone know what does town of birth means

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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Sin3x -sinx = 0

Sin3x -sinx = 0

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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Cr3+ aqua ions + NaOH

Cr3+ aqua ions + NaOH

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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chem a level help

chem a level help

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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Solving sin2x + sinx = 0 - help needed on alternative method

Solving sin2x + sinx = 0 - help needed on alternative method

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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