According to the following reaction, how many moles of hydrobromic acidare necessary to form 0.249 moles bromine? hydrobromic acid (aq) hydrogen (g) + bromine (l) ____moles hydrobromic acid

balance this chemical reaction          ____ NaHCO3   +        ____ C6H8O7 →        ____ Na3C6H5O7   +     ____   H2O +        ____ CO2

Use the References to access important values if needed for this question. According to the following reaction, how many grams of phosphoric acid will be formed upon the complete reaction of 32.1 grams of water with excess diphosphorus pentoxide? diphosphorus pentoxide(s) + water (1) → phosphoric acid(aq) Mass grams phosphoric acid

Calculate the number of mole of aluminum hydroxide produced according to the following reaction?                Al4C3     +      H2O         ----->                    Al(OH)3        +         CH4

When the following equation is balanced properly under basic conditions, what are the coefficients of the species shown? _____SiO32- + ______ Cl- ------>____  Si +________  Cl2Water appears in the balanced equation as _________ (reactant, product, neither) with a coefficient of __________. (Enter 0 for neither.)Which element is oxidized?_____________

When the following equation is balanced properly under basic conditions, what are the coefficients of the species shown? ______SiO32- + ______ Cl- ------->_______  Si + ______ Cl2Water appears in the balanced equation as ________(reactant, product, neither) with a coefficient of ______ . (Enter 0 for neither.)Which element is oxidized? __________________

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