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Chemistry, 21.06.2019 13:30
10. according to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?
Answers: 3
Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 03:30
Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
Answers: 3
Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Mathematics, 17.12.2020 20:10
Mathematics, 17.12.2020 20:10
Mathematics, 17.12.2020 20:10
Mathematics, 17.12.2020 20:10
Mathematics, 17.12.2020 20:10
Mathematics, 17.12.2020 20:10
Mathematics, 17.12.2020 20:10
English, 17.12.2020 20:10
English, 17.12.2020 20:10
English, 17.12.2020 20:10
Mathematics, 17.12.2020 20:10
Mathematics, 17.12.2020 20:10