Chemistry, 31.07.2019 13:00, mszeew

What mass in grams of hydrogen is produced by the reaction of 4.73 g of magnesium with 1.83 g of water? mg (s) + 2h2o (l) â mg(oh)2 (s) + h2 (g)?

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Chemistry, 27.07.2019 07:50, lauren21bunch

1. at stp, how many liters of oxygen are required to react completely with 3.6 liters of hydrogen to form water? 2h2(g)+o2(g) -> 2h2o(g) a. 1.8 l b. 3.6 l c. 2.0 l d. 2.4 l 2. which conversion factor do you use first to calculate the number of grams of co2 produced by the reaction of 50.6 g of ch4 with o2? the equation for the complete combustion of methane is: ch4(g) +2o2(g) -> co2 + 2h2o(l) a. 1 mol ch4/ 16.0g ch4 b. 2 mol o2/1 mol co2 c. 16.0g ch4/1 mol co4 d. 44.0g co2/2 mol co2 3. which of the following statements is true about the following reaction? 3nahco3(aq) + c6h8)7(aq) -> 3co2(g) + 3h2o(s) + na3c6h5o7(aq) a. 22.4 l of co2(g) are produced for every liter of c6h8o7(aq) reacted. b. 1 mole of water is produced for every mole of carbon dioxide produced. c. 6.02 x 10^23 molecules of na3c6h5o7(aq) are produced for every mole of nahco3(aq) used. d. 54 g of water are produced for every mole of nahc)3(aq) produced.

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Chemistry, 02.09.2019 03:30, lyn94

If the reaction yield is 94.4%, what mass in grams of hydrogen is produced by the reaction of 4.73 g of magnesium with 1.83 g of water? mg(s)+2h2o(l)→mg(oh)2(s)+h2(g)

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Chemistry, 28.10.2019 19:31, Anshuman2002

4ai + 3022al2o33. 27 grams of aluminum reacts with 32 grams of oxygen. assuming all of the reactants areused up, how much aluminum oxide will be produced? a 586 598c 32 gd 40 g2na + cl2 → 2nach4. 23 grams of sodium reacts with chlorine gas. assuming all of the reactants are used up, howmuch chlorine was used if 71 grams of sodium chloride was produced? a 104 gb 948c 488d. 123 g27.12h2 + o2 + 2h2o5. which of the following statements accurately describes the reaction shown above? a the mass of the hydrogen gas plus the oxygen gas is less than the mass of the water.b the hiass of the hydrogen gas minus the oxygen gas is equal to the mass of the water.c the mass of the hydrogen gas plus the oxygen gas is equal to the mass of the water.d the mass of the hydrogen gas is equal to the oxygen gas plus the mass of the water.hydrogen+wateroxygensg64 g6. s grams of hydrogen reacts with 64 grams of oxygen. assuming all of the reactants are usedup, how much water will be produced? b 568a 728c 64 gd 144 gs + 802 8so27. if 64 g of sulfur react with 4g of oxygen gas, what will be the mass of the sulfur dioxideproduced? a 60 gb 64 gc 68 gd 48 g2cu + o2 + 2cuo8. when 63.5 g of copper reacts with 16.0 g of oxygen gas to form copper (11) oxide, no copperor oxygen is left over. how much copper (11) oxide is produced? a 3.978b 47.5 gc 79.5 gd 143 gmercury(ii) oxideoxygen + mercury30.0 g2.1 g9. according to the law of conservation of mass, how much mercury was present in the mercuryb 32.19 c 27.990 63g'n + 2hcl → zncl2 + hz3.4g 72.9 g? g 2.0 gride une produced in the equation above? c 74.9gd 138.6 gо. но

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