Chemistry

Chemistry, 02.07.2019 17:00, ACE7RITZ

If the alum reaction was done starting with 12.000 g of al, how many moles of hydrogen gas would be produced according to the balanced equation?

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Chemistry, 22.08.2019 16:10, achsahjosey

An experiment is carried out to produce hydrogen gas. hydrochloric acid is poured into a glass, and magnesium is added to the acid. the reaction produces a soluble salt and hydrogen gas. 2.1 write a balanced equation for the reaction. 2.2 give the name of the soluble salt. 2.3 has a physical or chemical change taken place? 2.4 2 moles of hydrogen is produced. how many moles of acid reacted?

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Chemistry, 29.08.2019 14:30, Jaylen52709

How many moles of nahco3 can be produced from 125 mol of nacl - how many moles of h2o are produced when 6 mol of o2 is consumed in burning methyl alcohol, ch3oh, according to the following equation? - solutions of iron(iii) chloride, fecl3, are used in photoengraving and to make ink. this compound can be made by the following reaction. a. how many moles of fecl3 form from 31 mol of cl2? b. how many moles of fe are needed to combine with 5 mol of cl2 by this reaction? c. if 0.62 mol of fe is to be used by this reaction, how many moles of fecl3 form? - ammonia is produced synthetically by the reaction: a. is this an exothermic or endothermic process? b. how many moles of nh3 are formed when 1 mol of n2 reacts with hydrogen? c. if 18 x 1023 molecules of h2 react with nitrogen, how many moles of nh3 are produced?

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Chemistry, 09.10.2019 21:20, nook4boo

Show your work, including units, for the following series of calculations: a. how many moles of al are in 1.25 g of al? b. for the synthesis of alum you will be performing in lab, what is the molar ratio of al to alum? in other words, how many moles of alum are produced from 1 mole of al? c. starting with 1.25 g of al, what is the theoretical amount of alum (in g) that can be produced if the reaction goes to completion with 100% yield? d. calculate the percent yield of alum if a student starts with 1.25 g of al and produces 14.96 g of alum.

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Chemistry, 14.10.2019 19:00, dlo2457

2questions: 1. 4 fe(s) + 3o2(g) --> 2fe2o3(g) in a certain reaction, 27.3 g of iron is reacted with 45.8 g of oxygen how many grams of the excess reactant remain after the reaction is complete 2. n2 (g) + 3h2 (g) --> 2 nh3 (g) the equation above is the equation for the haber process. in a certain reaction, you start with 3.0 moles of nitrogen and 5.0 moles of hydrogen,. how many moles of ammonia will be produced in the reaction?

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