Consider the reaction: 2 Al + 3Br2 → 2 AlBr3 Suppose a reaction vessel initially contains 5.0 mole Al and 6.0 mole Br2.What is in the reaction vessel once the reaction has occurred to the fullest extent possible?

A) 1.0 mole Al;0 mole Br2;4.0 mole AlBr3 B) 0 mole Al;0 mole Br2;11.0 mole AlBr3 C) 2.0 mole Al;3.0 mole Br2;2.0 mole AlBr3 D) 0 mole Al;1.0 mole Br2;4.0 mole AlBr3 E) none of the above A) 1.0 mole Al;0 mole Br2;4.0 mole AlBr3 B) 0 mole Al;0 mole Br2;11.0 mole AlBr3 C) 2.0 mole Al;3.0 mole Br2;2.0 mole AlBr3 D) 0 mole Al;1.0 mole Br2;4.0 mole AlBr3 E) none of the above

Given that 4 NH3 + 5 O2 → 4 NO + 6 H2O,when 4.50 mol of H2O are formed,the amount of NO formed is

A) 1.50 mol. B) 3.00 mol. C) 4.50 mol. D) 6.75 mol. E) none of the above A) 1.50 mol. B) 3.00 mol. C) 4.50 mol. D) 6.75 mol. E) none of the above

A chemist wishes to perform the following reaction: N2 + 3 H2 → 2 NH3 If only 14.0 g of N2 is available,what is the minimum amount,in grams,of H2 needed to completely react with this quantity of N2?

A) 1.01 g B) 1.51 g C) 3.03 g D) 6.06 g E) none of the above A) 1.01 g B) 1.51 g C) 3.03 g D) 6.06 g E) none of the above

What is the limiting reactant for the following reaction given we have 3.4 moles of Ca(NO3)2 and 2.4 moles of Li3PO4? Reaction: 3Ca(NO3)2 + 2Li3PO4 → 6LiNO3 + Ca3(PO4)2

A) Ca(NO3)2 B) Li3PO4 C) LiNO3 D) Ca3(PO4)2 E) not enough information A) Ca(NO3)2 B) Li3PO4 C) LiNO3 D) Ca3(PO4)2 E) not enough information

Exam 8: Quantities in Chemical Reactions

For the following reaction you have 8 grams of hydrogen and 2 grams of oxygen. 2H₂ + O₂ → 2H₂O The theoretical yield of the reaction is 4 grams of water.

(True/False)

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Question 81

Which is the limiting reactant in the following reaction given that you start with 42.0 g of CO₂ and 99.9 g KOH? Reaction: CO₂ + 2KOH→ K₂CO₃ + H₂O

(Multiple Choice)

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Question 82

Consider the reaction: 2 Al + 3Br₂ → 2 AlBr₃ Suppose a reaction vessel initially contains 5.0 mole Al and 6.0 mole Br₂.What is in the reaction vessel once the reaction has occurred to the fullest extent possible?

(Multiple Choice)

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Question 83

Given that 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O,when 4.50 mol of H₂O are formed,the amount of NO formed is

(Multiple Choice)

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Question 84

How many grams of chlorine gas are needed to make 117 grams of sodium chloride? Given the reaction: 2Na + Cl₂ → 2NaCl

(Multiple Choice)

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Question 85

Given the recipe: 2 cups flour + 1 egg + 3 oz blueberries → 4 muffins If you have 5 cups of flour,3 eggs and plenty of blueberries,the limiting reactant is the eggs.

(True/False)

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Question 86

Which of the below statements about global warming is FALSE?

(Multiple Choice)

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Question 87

The percent yield is calculated by dividing the actual yield by the theoretical yield times 100.

(True/False)

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Question 88

The percent yield can never be greater than 100%.

(True/False)

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Question 89

An exothermic reaction has a negative enthalpy of reaction.

(True/False)

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Question 90

A chemist wishes to perform the following reaction: N₂ + 3 H₂ → 2 NH₃ If only 14.0 g of N₂ is available,what is the minimum amount,in grams,of H₂ needed to completely react with this quantity of N₂?

(Multiple Choice)

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Question 91

What is the limiting reactant for the following reaction given we have 3.4 moles of Ca(NO₃)₂and 2.4 moles of Li₃PO₄? Reaction: 3Ca(NO₃)₂+ 2Li₃PO₄→ 6LiNO₃ + Ca₃(PO₄)₂

(Multiple Choice)

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Question 92

Greenhouse gases affect the temperature of the earth by blocking sunlight from reaching earth.

(True/False)

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Question 93

The reaction for the oxidation of NH₃ is given as: 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O Under certain conditions the reaction will proceed at 29.8% yield of NO.How many grams of NH₃must be made to react with excess oxygen to yield 70.5 g of NO?

(Multiple Choice)

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Question 94

What is the excess reactant for the following reaction given we have 2.6 moles of HCl and 1.4 moles of Ca(OH)₂? Reaction: 2HCl + Ca(OH)₂→ 2H₂O+ CaCl₂

(Multiple Choice)

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Question 95

The primary greenhouse gas is carbon dioxide.

(True/False)

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Question 96

How many grams of the excess reactant are left over according to the reaction below given that you start with 10.0 g of Al and 19.0 grams of O₂? Reaction: 4Al + 3O₂ → 2Al₂O₃

(Multiple Choice)

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Question 97

Given the reaction: 2 Na(s)+ Cl₂(g)→ 2 NaCl(s) The conversion factor for chlorine gas to sodium chloride is: 1 mol Cl₂≡ 2 mol NaCl

(True/False)

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Question 98

The primary source for the rising carbon dioxide levels is respiration of the Earth's growing population.

(True/False)

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Question 99

Which ingredient is the limiting reactant if you have 6 cups of flour,9 eggs and 2 tbs of oil? Given: 2 cups flour + 3 eggs + 1 tbs oil → 4 waffles

(Multiple Choice)

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Question 100

Showing 81 - 100 of 108

For the following reaction you have 8 grams of hydrogen and 2 grams of oxygen. 2H₂ + O₂ → 2H₂O The theoretical yield of the reaction is 4 grams of water.

Which is the limiting reactant in the following reaction given that you start with 42.0 g of CO₂ and 99.9 g KOH? Reaction: CO₂ + 2KOH→ K₂CO₃ + H₂O

Consider the reaction: 2 Al + 3Br₂ → 2 AlBr₃ Suppose a reaction vessel initially contains 5.0 mole Al and 6.0 mole Br₂.What is in the reaction vessel once the reaction has occurred to the fullest extent possible?

Given that 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O,when 4.50 mol of H₂O are formed,the amount of NO formed is

How many grams of chlorine gas are needed to make 117 grams of sodium chloride? Given the reaction: 2Na + Cl₂ → 2NaCl

Given the recipe: 2 cups flour + 1 egg + 3 oz blueberries → 4 muffins If you have 5 cups of flour,3 eggs and plenty of blueberries,the limiting reactant is the eggs.

Which of the below statements about global warming is FALSE?

The percent yield is calculated by dividing the actual yield by the theoretical yield times 100.

The percent yield can never be greater than 100%.

An exothermic reaction has a negative enthalpy of reaction.

A chemist wishes to perform the following reaction: N₂ + 3 H₂ → 2 NH₃ If only 14.0 g of N₂ is available,what is the minimum amount,in grams,of H₂ needed to completely react with this quantity of N₂?

What is the limiting reactant for the following reaction given we have 3.4 moles of Ca(NO₃)₂and 2.4 moles of Li₃PO₄? Reaction: 3Ca(NO₃)₂+ 2Li₃PO₄→ 6LiNO₃ + Ca₃(PO₄)₂

Greenhouse gases affect the temperature of the earth by blocking sunlight from reaching earth.

The reaction for the oxidation of NH₃ is given as: 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O Under certain conditions the reaction will proceed at 29.8% yield of NO.How many grams of NH₃must be made to react with excess oxygen to yield 70.5 g of NO?

What is the excess reactant for the following reaction given we have 2.6 moles of HCl and 1.4 moles of Ca(OH)₂? Reaction: 2HCl + Ca(OH)₂→ 2H₂O+ CaCl₂

The primary greenhouse gas is carbon dioxide.

How many grams of the excess reactant are left over according to the reaction below given that you start with 10.0 g of Al and 19.0 grams of O₂? Reaction: 4Al + 3O₂ → 2Al₂O₃

Given the reaction: 2 Na(s)+ Cl₂(g)→ 2 NaCl(s) The conversion factor for chlorine gas to sodium chloride is: 1 mol Cl₂≡ 2 mol NaCl

The primary source for the rising carbon dioxide levels is respiration of the Earth's growing population.

Which ingredient is the limiting reactant if you have 6 cups of flour,9 eggs and 2 tbs of oil? Given: 2 cups flour + 3 eggs + 1 tbs oil → 4 waffles

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Exam 8: Quantities in Chemical Reactions

For the following reaction you have 8 grams of hydrogen and 2 grams of oxygen. 2H2 + O2 → 2H2O The theoretical yield of the reaction is 4 grams of water.

Which is the limiting reactant in the following reaction given that you start with 42.0 g of CO2 and 99.9 g KOH? Reaction: CO2 + 2KOH → K2CO3 + H2O

Consider the reaction: 2 Al + 3Br2 → 2 AlBr3 Suppose a reaction vessel initially contains 5.0 mole Al and 6.0 mole Br2.What is in the reaction vessel once the reaction has occurred to the fullest extent possible?

Given that 4 NH3 + 5 O2 → 4 NO + 6 H2O,when 4.50 mol of H2O are formed,the amount of NO formed is

How many grams of chlorine gas are needed to make 117 grams of sodium chloride? Given the reaction: 2Na + Cl2 → 2NaCl

Given the recipe: 2 cups flour + 1 egg + 3 oz blueberries → 4 muffins If you have 5 cups of flour,3 eggs and plenty of blueberries,the limiting reactant is the eggs.

Which of the below statements about global warming is FALSE?

The percent yield is calculated by dividing the actual yield by the theoretical yield times 100.

The percent yield can never be greater than 100%.

An exothermic reaction has a negative enthalpy of reaction.

A chemist wishes to perform the following reaction: N2 + 3 H2 → 2 NH3 If only 14.0 g of N2 is available,what is the minimum amount,in grams,of H2 needed to completely react with this quantity of N2?

What is the limiting reactant for the following reaction given we have 3.4 moles of Ca(NO3)2 and 2.4 moles of Li3PO4? Reaction: 3Ca(NO3)2 + 2Li3PO4 → 6LiNO3 + Ca3(PO4)2

Greenhouse gases affect the temperature of the earth by blocking sunlight from reaching earth.

The reaction for the oxidation of NH3 is given as: 4 NH3 + 5 O2 → 4 NO + 6 H2O Under certain conditions the reaction will proceed at 29.8% yield of NO.How many grams of NH3 must be made to react with excess oxygen to yield 70.5 g of NO?

What is the excess reactant for the following reaction given we have 2.6 moles of HCl and 1.4 moles of Ca(OH)2? Reaction: 2HCl + Ca(OH)2 → 2H2O + CaCl2

The primary greenhouse gas is carbon dioxide.

How many grams of the excess reactant are left over according to the reaction below given that you start with 10.0 g of Al and 19.0 grams of O2? Reaction: 4Al + 3O2 → 2Al2O3

Given the reaction: 2 Na(s)+ Cl2(g)→ 2 NaCl(s) The conversion factor for chlorine gas to sodium chloride is: 1 mol Cl2 ≡ 2 mol NaCl

The primary source for the rising carbon dioxide levels is respiration of the Earth's growing population.

Which ingredient is the limiting reactant if you have 6 cups of flour,9 eggs and 2 tbs of oil? Given: 2 cups flour + 3 eggs + 1 tbs oil → 4 waffles

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids,solids,and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

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For the following reaction you have 8 grams of hydrogen and 2 grams of oxygen. 2H₂ + O₂ → 2H₂O The theoretical yield of the reaction is 4 grams of water.

Which is the limiting reactant in the following reaction given that you start with 42.0 g of CO₂ and 99.9 g KOH? Reaction: CO₂ + 2KOH→ K₂CO₃ + H₂O

Consider the reaction: 2 Al + 3Br₂ → 2 AlBr₃ Suppose a reaction vessel initially contains 5.0 mole Al and 6.0 mole Br₂.What is in the reaction vessel once the reaction has occurred to the fullest extent possible?

Given that 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O,when 4.50 mol of H₂O are formed,the amount of NO formed is

How many grams of chlorine gas are needed to make 117 grams of sodium chloride? Given the reaction: 2Na + Cl₂ → 2NaCl

A chemist wishes to perform the following reaction: N₂ + 3 H₂ → 2 NH₃ If only 14.0 g of N₂ is available,what is the minimum amount,in grams,of H₂ needed to completely react with this quantity of N₂?

What is the limiting reactant for the following reaction given we have 3.4 moles of Ca(NO₃)₂and 2.4 moles of Li₃PO₄? Reaction: 3Ca(NO₃)₂+ 2Li₃PO₄→ 6LiNO₃ + Ca₃(PO₄)₂

The reaction for the oxidation of NH₃ is given as: 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O Under certain conditions the reaction will proceed at 29.8% yield of NO.How many grams of NH₃must be made to react with excess oxygen to yield 70.5 g of NO?

What is the excess reactant for the following reaction given we have 2.6 moles of HCl and 1.4 moles of Ca(OH)₂? Reaction: 2HCl + Ca(OH)₂→ 2H₂O+ CaCl₂

How many grams of the excess reactant are left over according to the reaction below given that you start with 10.0 g of Al and 19.0 grams of O₂? Reaction: 4Al + 3O₂ → 2Al₂O₃

Given the reaction: 2 Na(s)+ Cl₂(g)→ 2 NaCl(s) The conversion factor for chlorine gas to sodium chloride is: 1 mol Cl₂≡ 2 mol NaCl