How many milliliters of 0.260 M Na2S are needed to react with 40.00 mL of 0.315 M AgNO3? Na2S(aq)+ 2 AgNO3(aq)→ 2 NaNO3(aq)+ Ag2S(s)

A) 24.2 mL B) 48.5 mL C) 66.0 mL D) 96.9 mL A) 24.2 mL B) 48.5 mL C) 66.0 mL D) 96.9 mL

Which substance is oxidized in the following reaction? 5C2O42- + 2MnO4- + 16H+ → 10 CO2 + 2Mn2+ + 4H2O)

A) 2MnO4- B) C2O42- C) H+ D) none A) 2MnO4- B) C2O42- C) H+ D) none

How many moles of CuO can be produced from 0.900 mol of Cu2O in the following reaction? 2 Cu2O(s)+ O2(g)→ 4 CuO(s)

A) 0.450 mol B) 0.900 mol C) 1.80 mol D) 3.60 mol A) 0.450 mol B) 0.900 mol C) 1.80 mol D) 3.60 mol

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H2O(l)→ Ca(OH)2(s) A 4.50-g sample of CaO is reacted with 4.34 g of H2O.How many grams of water remain after the reaction is complete?

A) 0.00 B) 0.00892 C) 2.90 D) 1.04 E) 0.161 A) 0.00 B) 0.00892 C) 2.90 D) 1.04 E) 0.161

Consider the following balanced reaction.How many grams of water are required to form 75.9 g of HNO3? Assume that there is excess NO2 present.The molar masses are as follows: H2O = 18.02 g/mol,HNO3 = 63.02 g/mol. 3 NO2(g)+ H2O(l)→ 2 HNO3(aq)+ NO(g)

A) 38.0 g H2O B) 21.7 g H2O C) 43.4 g H2O D) 10.9 g H2O E) 26.5 g H2O A) 38.0 g H2O B) 21.7 g H2O C) 43.4 g H2O D) 10.9 g H2O E) 26.5 g H2O

Exam 4: Chemical Quantities and Aqueous Reactions

7.0 g of nitrogen is reacted with 5.0 g of hydrogen to produce ammonia according to the chemical equation shown below.Which one of the following statements is FALSE? N₂(g)+ 3 H₂(g)→ 2 NH₃(g)

(Multiple Choice)

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Question 161

Which of the following compounds is insoluble in water?

(Multiple Choice)

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Question 162

What precipitate is most likely formed from a solution containing Ba⁺²,Na⁺¹,OH^-1,and CO₃^-2.

(Multiple Choice)

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Question 163

Balance the chemical equation given below,and determine the number of grams of MgO are needed to produce 10.0 g of Fe₂O₃ . MgO(s)+ Fe(s)→ Fe₂O₃(s)+_ Mg(s)

(Multiple Choice)

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Question 164

How many milliliters of 0.260 M Na₂S are needed to react with 40.00 mL of 0.315 M AgNO₃? Na₂S(aq)+ 2 AgNO₃(aq)→ 2 NaNO₃(aq)+ Ag₂S(s)

(Multiple Choice)

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Question 165

How many moles of BCl₃ are needed to produce 10.0 g of HCl(aq)in the following reaction? BCl₃(g)+ 3 H₂O(l)→ 3 HCl(aq)+ B(OH)₃(aq)

(Multiple Choice)

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Question 166

Which substance is oxidized in the following reaction? 5C₂O₄^2- + 2MnO₄^-+ 16H⁺ → 10 CO₂ + 2Mn²⁺ + 4H₂O)

(Multiple Choice)

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Question 167

According to the following reaction,what mass of PbCl₂ can form from 235 mL of 0.110 M KCl solution? Assume that there is excess Pb(NO₃)₂. 2 KCl(aq)+ Pb(NO₃)₂(aq)→ PbCl₂(s)+ 2 KNO₃(aq)

(Multiple Choice)

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Question 168

How many moles of CuO can be produced from 0.900 mol of Cu₂O in the following reaction? 2 Cu₂O(s)+ O₂(g)→ 4 CuO(s)

(Multiple Choice)

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Question 169

Which one of the following compounds is soluble in water?

(Multiple Choice)

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Question 170

The mixing of which pair of reactants will result in a precipitation reaction?

(Multiple Choice)

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Question 171

Determine the oxidizing agent in the following reaction. Ni(s)+ 2 AgClO₄(aq)→ Ni(ClO₄)₂(aq)+ 2 Ag(s)

(Multiple Choice)

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Question 172

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H₂O(l)→ Ca(OH)₂(s) A 4.50-g sample of CaO is reacted with 4.34 g of H₂O.How many grams of water remain after the reaction is complete?

(Multiple Choice)

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Question 173

How would the concentration change if a 1.0 L flask of 1.0 M NaCl were left uncapped on a laboratory bench for several days.Why?

(Essay)

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Question 174

Consider the following balanced reaction.How many grams of water are required to form 75.9 g of HNO₃? Assume that there is excess NO₂ present.The molar masses are as follows: H₂O = 18.02 g/mol,HNO₃ = 63.02 g/mol. 3 NO₂(g)+ H₂O(l)→ 2 HNO₃(aq)+ NO(g)

(Multiple Choice)

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Question 175

When 7.00 × 10²² molecules of ammonia react with 6.00 × 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 176

Give the net ionic equation for the reaction (if any)that occurs when aqueous solutions of Al(C₂H₃O₂)₃ and LiNO₃ are mixed.

(Multiple Choice)

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Question 177

Calculate the number of grams of solute in 500.0 mL of 0.189 M KOH.

(Multiple Choice)

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Question 178

According to the following reaction,how many grams of sulfur are formed when 37.4 g of water are formed? 2 H₂S(g)+ SO₂(g)→ 3 S(s)+ 2H₂O(l)

(Multiple Choice)

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Question 179

How many moles of NaCl are required to make 250 mL of a 3.00 M solution?

(Multiple Choice)

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Question 180

Showing 161 - 180 of 199

7.0 g of nitrogen is reacted with 5.0 g of hydrogen to produce ammonia according to the chemical equation shown below.Which one of the following statements is FALSE? N₂(g)+ 3 H₂(g)→ 2 NH₃(g)

Which of the following compounds is insoluble in water?

What precipitate is most likely formed from a solution containing Ba⁺²,Na⁺¹,OH^-1,and CO₃^-2.

Balance the chemical equation given below,and determine the number of grams of MgO are needed to produce 10.0 g of Fe₂O₃ . MgO(s)+ Fe(s)→ Fe₂O₃(s)+_ Mg(s)

How many milliliters of 0.260 M Na₂S are needed to react with 40.00 mL of 0.315 M AgNO₃? Na₂S(aq)+ 2 AgNO₃(aq)→ 2 NaNO₃(aq)+ Ag₂S(s)

How many moles of BCl₃ are needed to produce 10.0 g of HCl(aq)in the following reaction? BCl₃(g)+ 3 H₂O(l)→ 3 HCl(aq)+ B(OH)₃(aq)

Which substance is oxidized in the following reaction? 5C₂O₄^2- + 2MnO₄^-+ 16H⁺ → 10 CO₂ + 2Mn²⁺ + 4H₂O)

According to the following reaction,what mass of PbCl₂ can form from 235 mL of 0.110 M KCl solution? Assume that there is excess Pb(NO₃)₂. 2 KCl(aq)+ Pb(NO₃)₂(aq)→ PbCl₂(s)+ 2 KNO₃(aq)

How many moles of CuO can be produced from 0.900 mol of Cu₂O in the following reaction? 2 Cu₂O(s)+ O₂(g)→ 4 CuO(s)

Which one of the following compounds is soluble in water?

The mixing of which pair of reactants will result in a precipitation reaction?

Determine the oxidizing agent in the following reaction. Ni(s)+ 2 AgClO₄(aq)→ Ni(ClO₄)₂(aq)+ 2 Ag(s)

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H₂O(l)→ Ca(OH)₂(s) A 4.50-g sample of CaO is reacted with 4.34 g of H₂O.How many grams of water remain after the reaction is complete?

How would the concentration change if a 1.0 L flask of 1.0 M NaCl were left uncapped on a laboratory bench for several days.Why?

Consider the following balanced reaction.How many grams of water are required to form 75.9 g of HNO₃? Assume that there is excess NO₂ present.The molar masses are as follows: H₂O = 18.02 g/mol,HNO₃ = 63.02 g/mol. 3 NO₂(g)+ H₂O(l)→ 2 HNO₃(aq)+ NO(g)

When 7.00 × 10²² molecules of ammonia react with 6.00 × 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)

Give the net ionic equation for the reaction (if any)that occurs when aqueous solutions of Al(C₂H₃O₂)₃ and LiNO₃ are mixed.

Calculate the number of grams of solute in 500.0 mL of 0.189 M KOH.

According to the following reaction,how many grams of sulfur are formed when 37.4 g of water are formed? 2 H₂S(g)+ SO₂(g)→ 3 S(s)+ 2H₂O(l)

How many moles of NaCl are required to make 250 mL of a 3.00 M solution?

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Exam 4: Chemical Quantities and Aqueous Reactions

7.0 g of nitrogen is reacted with 5.0 g of hydrogen to produce ammonia according to the chemical equation shown below.Which one of the following statements is FALSE? N2(g)+ 3 H2(g)→ 2 NH3(g)

Which of the following compounds is insoluble in water?

What precipitate is most likely formed from a solution containing Ba+2,Na+1,OH-1,and CO3-2.

Balance the chemical equation given below,and determine the number of grams of MgO are needed to produce 10.0 g of Fe2O3 . ____ MgO(s)+ ____ Fe(s)→ ____ Fe2O3(s)+_____ Mg(s)

How many milliliters of 0.260 M Na2S are needed to react with 40.00 mL of 0.315 M AgNO3? Na2S(aq)+ 2 AgNO3(aq)→ 2 NaNO3(aq)+ Ag2S(s)

How many moles of BCl3 are needed to produce 10.0 g of HCl(aq)in the following reaction? BCl3(g)+ 3 H2O(l)→ 3 HCl(aq)+ B(OH)3(aq)

Which substance is oxidized in the following reaction? 5C2O42- + 2MnO4- + 16H+ → 10 CO2 + 2Mn2+ + 4H2O)

According to the following reaction,what mass of PbCl2 can form from 235 mL of 0.110 M KCl solution? Assume that there is excess Pb(NO3)2. 2 KCl(aq)+ Pb(NO3)2(aq)→ PbCl2(s)+ 2 KNO3(aq)

How many moles of CuO can be produced from 0.900 mol of Cu2O in the following reaction? 2 Cu2O(s)+ O2(g)→ 4 CuO(s)

Which one of the following compounds is soluble in water?

The mixing of which pair of reactants will result in a precipitation reaction?

Determine the oxidizing agent in the following reaction. Ni(s)+ 2 AgClO4(aq)→ Ni(ClO4)2(aq)+ 2 Ag(s)

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H2O(l)→ Ca(OH)2(s) A 4.50-g sample of CaO is reacted with 4.34 g of H2O.How many grams of water remain after the reaction is complete?

How would the concentration change if a 1.0 L flask of 1.0 M NaCl were left uncapped on a laboratory bench for several days.Why?

Consider the following balanced reaction.How many grams of water are required to form 75.9 g of HNO3? Assume that there is excess NO2 present.The molar masses are as follows: H2O = 18.02 g/mol,HNO3 = 63.02 g/mol. 3 NO2(g)+ H2O(l)→ 2 HNO3(aq)+ NO(g)

When 7.00 × 1022 molecules of ammonia react with 6.00 × 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)

Give the net ionic equation for the reaction (if any)that occurs when aqueous solutions of Al(C2H3O2)3 and LiNO3 are mixed.

Calculate the number of grams of solute in 500.0 mL of 0.189 M KOH.

According to the following reaction,how many grams of sulfur are formed when 37.4 g of water are formed? 2 H2S(g)+ SO2(g)→ 3 S(s)+ 2H2O(l)

How many moles of NaCl are required to make 250 mL of a 3.00 M solution?

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Molecules, Compounds and Chemical Equations

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Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

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7.0 g of nitrogen is reacted with 5.0 g of hydrogen to produce ammonia according to the chemical equation shown below.Which one of the following statements is FALSE? N₂(g)+ 3 H₂(g)→ 2 NH₃(g)

What precipitate is most likely formed from a solution containing Ba⁺²,Na⁺¹,OH^-1,and CO₃^-2.

Balance the chemical equation given below,and determine the number of grams of MgO are needed to produce 10.0 g of Fe₂O₃ . MgO(s)+ Fe(s)→ Fe₂O₃(s)+_ Mg(s)

How many milliliters of 0.260 M Na₂S are needed to react with 40.00 mL of 0.315 M AgNO₃? Na₂S(aq)+ 2 AgNO₃(aq)→ 2 NaNO₃(aq)+ Ag₂S(s)

How many moles of BCl₃ are needed to produce 10.0 g of HCl(aq)in the following reaction? BCl₃(g)+ 3 H₂O(l)→ 3 HCl(aq)+ B(OH)₃(aq)

Which substance is oxidized in the following reaction? 5C₂O₄^2- + 2MnO₄^-+ 16H⁺ → 10 CO₂ + 2Mn²⁺ + 4H₂O)

According to the following reaction,what mass of PbCl₂ can form from 235 mL of 0.110 M KCl solution? Assume that there is excess Pb(NO₃)₂. 2 KCl(aq)+ Pb(NO₃)₂(aq)→ PbCl₂(s)+ 2 KNO₃(aq)

How many moles of CuO can be produced from 0.900 mol of Cu₂O in the following reaction? 2 Cu₂O(s)+ O₂(g)→ 4 CuO(s)

Determine the oxidizing agent in the following reaction. Ni(s)+ 2 AgClO₄(aq)→ Ni(ClO₄)₂(aq)+ 2 Ag(s)

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H₂O(l)→ Ca(OH)₂(s) A 4.50-g sample of CaO is reacted with 4.34 g of H₂O.How many grams of water remain after the reaction is complete?

Consider the following balanced reaction.How many grams of water are required to form 75.9 g of HNO₃? Assume that there is excess NO₂ present.The molar masses are as follows: H₂O = 18.02 g/mol,HNO₃ = 63.02 g/mol. 3 NO₂(g)+ H₂O(l)→ 2 HNO₃(aq)+ NO(g)

When 7.00 × 10²² molecules of ammonia react with 6.00 × 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)

Give the net ionic equation for the reaction (if any)that occurs when aqueous solutions of Al(C₂H₃O₂)₃ and LiNO₃ are mixed.

According to the following reaction,how many grams of sulfur are formed when 37.4 g of water are formed? 2 H₂S(g)+ SO₂(g)→ 3 S(s)+ 2H₂O(l)