Metallic magnesium reacts with steam to produce solid magnesium hydroxide and hydrogen gas. If 19.5 g...
Metallic magnesium reacts with steam to produce solid magnesium hydroxide and hydrogen gas. If 19.5 g of Mg is heated with 12 g of H2O
a) What is the limiting reactant?
b) How many grams of Mg(OH)2 are formed by the reaction?
c) How many moles of the excess reactant are left over?
Homework Answers
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Metallic magnesium reacts with steam to produce solid magnesium
hydroxide and hydrogen gas. If 19.5 g...
Magnesium metal reacts with hydrogen chloride gas to form hydrogen gas and solid magnesium chloride. If...
Magnesium metal reacts with hydrogen chloride gas to form hydrogen gas and solid magnesium chloride. If 20.0g of magnesium reacts with 25.0g of hydrogen chloride, how many grams of magnesium chloride will be produced?
Solid magnesium reacts with aqueous phosphoric acid to produce magnesium phosphate and hydrogen gas. The balanced...
Solid magnesium reacts with aqueous phosphoric acid to produce magnesium phosphate and hydrogen gas. The balanced chemical equation is: 3Mg(s) + 2H3PO4(aq) → Mg3(PO4)2(s) + 3H2(g) Calculate the moles of hydrogen gas you want to produce (do not express your answer in scientific notation
When 10.0 g of hydrogen gas reacts with 40.0 g of nitrogen gas, how much ammonia...
When 10.0 g of hydrogen gas reacts with 40.0 g of nitrogen gas, how much ammonia gas forms? Which substance is the limiting reactant? If a chemist runs the reaction knowing they should obtain a percent yield of 78.5% and must produce a total of 30.5 grams of ammonia, how many grams of nitrogen should they start with if they have an excess amount of hydrogen?
Mg metal reacts with HCl to produce hydrogen gas. Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) How many grams of magnesium are...
Mg metal reacts with HCl to produce hydrogen gas. Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) How many grams of magnesium are needed to prepare 6.90 L of H2 at 775 mmHg and 20 ∘C?
If 20 mL of 1.0M HCl reacts with 0.050g of solid magnesium. Calculate the moles of...
If 20 mL of 1.0M HCl reacts with 0.050g of solid magnesium. Calculate the moles of each product formed. Be sure to explicitly show how the limiting reactant was determined. The balanced equation for this reaction is as follows Mg(s)+2HCl(aq)---->MgCl2(aq)+H2(g)
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What i...
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What is the maximum number of grams of PCls are produced from 3.5 g of Cl2 and excess P? 5C12(g) + 2P(s) → 2PC13(s) 2) What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the unbalanced chemical equation below? Al(s) + Cr2O3(s) → Al2O3(s) + Cr(s) Ammonia...
Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s)...
Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H20(1)—2NaAl(OH)4(aq) + 3H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 746 mm Hg. If the wet H2 gas formed occupies a volume of 7.58 L, the number of grams of H2 formed is g. The vapor pressure of water is 17.5 mm Hg at 20 °C. ONLAYN
Collecting Gas over Water Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to...
Collecting Gas over Water
Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H2O(1)—>2NaAl(OH)4(aq) + 3H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 756 mm Hg. If the wet H2 gas formed occupies a volume of 5.83 L, the number of moles of Al reacted was mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
A sample of 5.55 g of solid calcium hydroxide is added to 30.0 mL of 0.370...
A sample of 5.55 g of solid calcium hydroxide is added to 30.0 mL of 0.370 M aqueous hydrochloric acid. Write the balanced chemical equation for the reaction. Physical states are optional. chemical equation: What is the limiting reactant? hydrochloric acid calcium hydroxide How many grams of salt are formed after the reaction is complete? mass of salt: How many grams of the excess reactant remain after the reaction is complete? excess reactant remaining: A sample of 5.55 g of...
9 b) the reaction between aqueous solutions of cobalt(III) nitrate and sodium hydroxide to form aqueous sodium nitra...
9
b) the reaction between aqueous solutions of cobalt(III) nitrate and sodium hydroxide to form aqueous sodium nitrate and solid cobalt(III) hydroxide. c) the reaction between solid zinc and aqueous hydrochloric acid in a single replacement reaction. d) classify the reactions in (a) and (b). 9. Hydrogen sulfide, given off by decaying organic matter, is converted to sulfur dioxide in the atmosphere by the reaction: 2 H S(g) + 30 (g) 2 SO (g) + 2 H2O() a) How many...
When 10.0 g of hydrogen gas reacts with 40.0 g of nitrogen gas, how much ammonia gas forms? Which substance is the limiting reactant? If a chemist runs the reaction knowing they should obtain a percent yield of 78.5% and must produce a total of 30.5 grams of ammonia, how many grams of nitrogen should they start with if they have an excess amount of hydrogen?
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What is the maximum number of grams of PCls are produced from 3.5 g of Cl2 and excess P? 5C12(g) + 2P(s) → 2PC13(s) 2) What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the unbalanced chemical equation below? Al(s) + Cr2O3(s) → Al2O3(s) + Cr(s) Ammonia...
Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H20(1)—2NaAl(OH)4(aq) + 3H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 746 mm Hg. If the wet H2 gas formed occupies a volume of 7.58 L, the number of grams of H2 formed is g. The vapor pressure of water is 17.5 mm Hg at 20 °C. ONLAYN
Collecting Gas over Water
Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H2O(1)—>2NaAl(OH)4(aq) + 3H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 756 mm Hg. If the wet H2 gas formed occupies a volume of 5.83 L, the number of moles of Al reacted was mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
A sample of 5.55 g of solid calcium hydroxide is added to 30.0 mL of 0.370 M aqueous hydrochloric acid. Write the balanced chemical equation for the reaction. Physical states are optional. chemical equation: What is the limiting reactant? hydrochloric acid calcium hydroxide How many grams of salt are formed after the reaction is complete? mass of salt: How many grams of the excess reactant remain after the reaction is complete? excess reactant remaining: A sample of 5.55 g of...
9
b) the reaction between aqueous solutions of cobalt(III) nitrate and sodium hydroxide to form aqueous sodium nitrate and solid cobalt(III) hydroxide. c) the reaction between solid zinc and aqueous hydrochloric acid in a single replacement reaction. d) classify the reactions in (a) and (b). 9. Hydrogen sulfide, given off by decaying organic matter, is converted to sulfur dioxide in the atmosphere by the reaction: 2 H S(g) + 30 (g) 2 SO (g) + 2 H2O() a) How many...
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