If 2.7 g of H2 react with 2.7 g of F2 in the reaction shown below,what is the limiting reactant? H2 + F2 → 2 HF

To determine the limiting reactant in th

Given the chemical equation: N2 + 3 H2 → 2 NH3.On a macroscopic level,what do the coefficients mean?

A) 1 atom of nitrogen reacts with 3 atoms of hydrogen to give 2 atoms of ammonia. B) 1 mole of nitrogen reacts with 3 moles of hydrogen to give 2 moles of ammonia. C) 1 molecule of nitrogen reacts with 3 molecules of hydrogen to give 2 molecules of ammonia. D) All of these are true. A) 1 atom of nitrogen reacts with 3 atoms of hydrogen to give 2 atoms of ammonia. B) 1 mole of nitrogen reacts with 3 moles of hydrogen to give 2 moles of ammonia. C) 1 molecule of nitrogen reacts with 3 molecules of hydrogen to give 2 molecules of ammonia. D) All of these are true.

What is the molar mass of aspartic acid,C4O4H7N?

A) 43 g/mol B) 70 g/mol C) 133 g/mol D) 197 g/mol A) 43 g/mol B) 70 g/mol C) 133 g/mol D) 197 g/mol

How many moles are there in 4.00 g of ethanol,CH3CH2OH?

A) 0.00543 mol B) 0.0870 mol C) 11.5 mol D) 184 mol A) 0.00543 mol B) 0.0870 mol C) 11.5 mol D) 184 mol

If the density of ethanol,C2H5OH,is 0.789 g/mL.How many milliliters of ethanol are needed to produce 10.0 g of CO2 according to the following chemical equation? C2H5OH(l)+ 3 O2(g)→ 2 CO2(g)+ 3 H2O(l)

A) 4.13 mL B) 6.63 mL C) 13.3 mL D) 26.5 mL A) 4.13 mL B) 6.63 mL C) 13.3 mL D) 26.5 mL

Exam 3: Mass Relationships in Chemical Reactions

When 1.00 × 10²² molecules of ammonia react with 7.00 × 10²² molecules of oxygen according to the chemical equation shown below,how many grams of nitrogen gas are produced? 4 NH₃(g)+ 3 O₂(g)→ 2 N₂(g)+ 6 H₂O(g)

(Multiple Choice)

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Question 141

Balance the chemical equation given below,and determine the number of grams of Fe needed to produce 15.0 g of Fe₂O₃. MgO(s)+ Fe(s)→ Fe₂O₃(s)+ Mg(s)

(Multiple Choice)

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Question 142

If 2.7 g of H₂ react with 2.7 g of F₂ in the reaction shown below,what is the limiting reactant? H₂ + F₂ → 2 HF

(Short Answer)

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Question 143

Given the chemical equation: N₂ + 3 H₂ → 2 NH₃.On a macroscopic level,what do the coefficients mean?

(Multiple Choice)

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Question 144

Combustion analysis of 0.150 g of an unknown compound containing carbon,hydrogen,and oxygen produced 0.2607 g of CO₂ and 0.1418 g of H₂O.What is the empirical formula of the compound?

(Multiple Choice)

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Question 145

Which substance is the limiting reactant when 8.0 g of sulfur reacts with 12 g of oxygen and 16 g of sodium hydroxide according to the following chemical equation? 2 S(s)+ 3 O₂(g)+ 4 NaOH(aq)→ 2 Na₂SO₄(aq)+ 2 H₂O(l)

(Multiple Choice)

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Question 146

What is the sum of the coefficients when the following equation is balanced using the lowest whole-numbered coefficients? B₂O₃(s)+ HF(l)→ BF₃(g)+ H₂O(l)

(Multiple Choice)

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Question 147

Ozone reacts with iodide ion as shown in the balanced equation below. O₃ + 2 I^- + H₂O → O₂ + I₂ + 2 OH^- In this reaction,how many grams of oxygen can be formed from the reaction of 126 grams of ozone?

(Short Answer)

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Question 148

What is the molar mass of aspartic acid,C₄O₄H₇N?

(Multiple Choice)

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Question 149

How many moles are there in 4.00 g of ethanol,CH₃CH₂OH?

(Multiple Choice)

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Question 150

What mass of ammonia,NH₃,contains the same number of molecules as 3.00 g of trichlorofluoromethane,CCl₃F?

(Multiple Choice)

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Question 151

If the density of ethanol,C₂H₅OH,is 0.789 g/mL.How many milliliters of ethanol are needed to produce 10.0 g of CO₂ according to the following chemical equation? C₂H₅OH(l)+ 3 O₂(g)→ 2 CO₂(g)+ 3 H₂O(l)

(Multiple Choice)

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Question 152

What is the sum of the coefficients when the following equation is balanced using the lowest whole-numbered coefficients? PH₃(g)+ O₂(g)→ P₄O₁₀(s)+ H₂O(g)

(Multiple Choice)

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Question 153

Aluminum metal reacts with aqueous iron(II)chloride to form aqueous aluminum chloride and iron metal.What is the stoichiometric coefficient for iron when the chemical equation is balanced using the lowest whole-number stoichiometric coefficients?

(Multiple Choice)

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Question 154

When 14.0 g of calcium metal is reacted with water,5.00 g of calcium hydroxide is produced.Using the following balanced equation,calculate the percent yield for the reaction? Ca(s)+ 2 H₂O(l)→ Ca(OH)₂(aq)+ H₂(g)

(Multiple Choice)

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Question 155

How many anions are in 10.0 g of sodium phosphate?

(Multiple Choice)

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Question 156

Ozone is unstable,decomposing to oxygen,as shown in the balanced equation 2 O₃ → 3 O₂. In this reaction,how many grams of oxygen can be formed from the decomposition of 96 grams of ozone?

(Short Answer)

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Question 157

The sugar fructose has an empirical formula of CH₂O.The mass spectrum shows a molecular ion peak at a mass of 179.9.What is the molecular formula of fructose?

(Multiple Choice)

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Question 158

Sodium phosphate reacts with sulfuric acid to form sodium sulfate and phosphoric acid.What is the stoichiometric coefficient for sulfuric acid when the chemical equation is balanced using the lowest whole-number stoichiometric coefficients?

(Multiple Choice)

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Question 159

Showing 141 - 159 of 159

Exam 3: Mass Relationships in Chemical Reactions

When 1.00 × 1022 molecules of ammonia react with 7.00 × 1022 molecules of oxygen according to the chemical equation shown below,how many grams of nitrogen gas are produced? 4 NH3(g)+ 3 O2(g)→ 2 N2(g)+ 6 H2O(g)

Balance the chemical equation given below,and determine the number of grams of Fe needed to produce 15.0 g of Fe2O3. ________ MgO(s)+ ________ Fe(s)→ ________ Fe2O3(s)+ ________ Mg(s)

If 2.7 g of H2 react with 2.7 g of F2 in the reaction shown below,what is the limiting reactant? H2 + F2 → 2 HF

Given the chemical equation: N2 + 3 H2 → 2 NH3.On a macroscopic level,what do the coefficients mean?

Combustion analysis of 0.150 g of an unknown compound containing carbon,hydrogen,and oxygen produced 0.2607 g of CO2 and 0.1418 g of H2O.What is the empirical formula of the compound?

Which substance is the limiting reactant when 8.0 g of sulfur reacts with 12 g of oxygen and 16 g of sodium hydroxide according to the following chemical equation? 2 S(s)+ 3 O2(g)+ 4 NaOH(aq)→ 2 Na2SO4(aq)+ 2 H2O(l)

What is the sum of the coefficients when the following equation is balanced using the lowest whole-numbered coefficients? ________ B2O3(s)+ ________ HF(l)→ ________ BF3(g)+ ________ H2O(l)

Ozone reacts with iodide ion as shown in the balanced equation below. O3 + 2 I- + H2O → O2 + I2 + 2 OH- In this reaction,how many grams of oxygen can be formed from the reaction of 126 grams of ozone?

What is the molar mass of aspartic acid,C4O4H7N?

How many moles are there in 4.00 g of ethanol,CH3CH2OH?

What mass of ammonia,N H3,contains the same number of molecules as 3.00 g of trichlorofluoromethane,CCl3F?

If the density of ethanol,C2H5OH,is 0.789 g/mL.How many milliliters of ethanol are needed to produce 10.0 g of CO2 according to the following chemical equation? C2H5OH(l)+ 3 O2(g)→ 2 CO2(g)+ 3 H2O(l)

What is the sum of the coefficients when the following equation is balanced using the lowest whole-numbered coefficients? ________ PH3(g)+ ________ O2(g)→ ________ P4O10(s)+ ________ H2O(g)

Aluminum metal reacts with aqueous iron(II)chloride to form aqueous aluminum chloride and iron metal.What is the stoichiometric coefficient for iron when the chemical equation is balanced using the lowest whole-number stoichiometric coefficients?

When 14.0 g of calcium metal is reacted with water,5.00 g of calcium hydroxide is produced.Using the following balanced equation,calculate the percent yield for the reaction? Ca(s)+ 2 H2O(l)→ Ca(OH)2(aq)+ H2(g)

How many anions are in 10.0 g of sodium phosphate?

Ozone is unstable,decomposing to oxygen,as shown in the balanced equation 2 O3 → 3 O2. In this reaction,how many grams of oxygen can be formed from the decomposition of 96 grams of ozone?

The sugar fructose has an empirical formula of CH2O.The mass spectrum shows a molecular ion peak at a mass of 179.9.What is the molecular formula of fructose?

Sodium phosphate reacts with sulfuric acid to form sodium sulfate and phosphoric acid.What is the stoichiometric coefficient for sulfuric acid when the chemical equation is balanced using the lowest whole-number stoichiometric coefficients?

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When 1.00 × 10²² molecules of ammonia react with 7.00 × 10²² molecules of oxygen according to the chemical equation shown below,how many grams of nitrogen gas are produced? 4 NH₃(g)+ 3 O₂(g)→ 2 N₂(g)+ 6 H₂O(g)

Balance the chemical equation given below,and determine the number of grams of Fe needed to produce 15.0 g of Fe₂O₃. MgO(s)+ Fe(s)→ Fe₂O₃(s)+ Mg(s)

If 2.7 g of H₂ react with 2.7 g of F₂ in the reaction shown below,what is the limiting reactant? H₂ + F₂ → 2 HF

Given the chemical equation: N₂ + 3 H₂ → 2 NH₃.On a macroscopic level,what do the coefficients mean?

Combustion analysis of 0.150 g of an unknown compound containing carbon,hydrogen,and oxygen produced 0.2607 g of CO₂ and 0.1418 g of H₂O.What is the empirical formula of the compound?

Which substance is the limiting reactant when 8.0 g of sulfur reacts with 12 g of oxygen and 16 g of sodium hydroxide according to the following chemical equation? 2 S(s)+ 3 O₂(g)+ 4 NaOH(aq)→ 2 Na₂SO₄(aq)+ 2 H₂O(l)

What is the sum of the coefficients when the following equation is balanced using the lowest whole-numbered coefficients? B₂O₃(s)+ HF(l)→ BF₃(g)+ H₂O(l)

Ozone reacts with iodide ion as shown in the balanced equation below. O₃ + 2 I^- + H₂O → O₂ + I₂ + 2 OH^- In this reaction,how many grams of oxygen can be formed from the reaction of 126 grams of ozone?

What is the molar mass of aspartic acid,C₄O₄H₇N?

How many moles are there in 4.00 g of ethanol,CH₃CH₂OH?

What mass of ammonia,NH₃,contains the same number of molecules as 3.00 g of trichlorofluoromethane,CCl₃F?

If the density of ethanol,C₂H₅OH,is 0.789 g/mL.How many milliliters of ethanol are needed to produce 10.0 g of CO₂ according to the following chemical equation? C₂H₅OH(l)+ 3 O₂(g)→ 2 CO₂(g)+ 3 H₂O(l)

What is the sum of the coefficients when the following equation is balanced using the lowest whole-numbered coefficients? PH₃(g)+ O₂(g)→ P₄O₁₀(s)+ H₂O(g)

When 14.0 g of calcium metal is reacted with water,5.00 g of calcium hydroxide is produced.Using the following balanced equation,calculate the percent yield for the reaction? Ca(s)+ 2 H₂O(l)→ Ca(OH)₂(aq)+ H₂(g)

Ozone is unstable,decomposing to oxygen,as shown in the balanced equation 2 O₃ → 3 O₂. In this reaction,how many grams of oxygen can be formed from the decomposition of 96 grams of ozone?

The sugar fructose has an empirical formula of CH₂O.The mass spectrum shows a molecular ion peak at a mass of 179.9.What is the molecular formula of fructose?