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The following reaction is endothermic. 2 The following reaction is endothermic. 2 + 5 → 4C + O + 310 kcal The following reaction is endothermic. 2 + 5 → 4C + O + 310 kcal + 5 The following reaction is endothermic. 2 + 5 → 4C + O + 310 kcal → 4C The following reaction is endothermic. 2 + 5 → 4C + O + 310 kcal + The following reaction is endothermic. 2 + 5 → 4C + O + 310 kcal O + 310 kcal

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For the following question(s) ,consider the following equation. 2Mg + For the following question(s) ,consider the following equation. 2Mg + → 2MgO -How many grams of MgO are produced when 40.0 grams of react completely with Mg? A) 40.3 g B) 50.4 g C) 60.5 g D) 101 g E) 202 g → 2MgO -How many grams of MgO are produced when 40.0 grams of For the following question(s) ,consider the following equation. 2Mg + → 2MgO -How many grams of MgO are produced when 40.0 grams of react completely with Mg? A) 40.3 g B) 50.4 g C) 60.5 g D) 101 g E) 202 g react completely with Mg?


A) 40.3 g
B) 50.4 g
C) 60.5 g
D) 101 g
E) 202 g

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The following reaction takes place when an electric current is passed through water.It is an example of a ________ reaction. The following reaction takes place when an electric current is passed through water.It is an example of a ________ reaction. O 2 + A) combination B) single replacement C) combustion D) decomposition E) double replacement O The following reaction takes place when an electric current is passed through water.It is an example of a ________ reaction. O 2 + A) combination B) single replacement C) combustion D) decomposition E) double replacement 2 The following reaction takes place when an electric current is passed through water.It is an example of a ________ reaction. O 2 + A) combination B) single replacement C) combustion D) decomposition E) double replacement + The following reaction takes place when an electric current is passed through water.It is an example of a ________ reaction. O 2 + A) combination B) single replacement C) combustion D) decomposition E) double replacement


A) combination
B) single replacement
C) combustion
D) decomposition
E) double replacement

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What type of reaction is the following? 2KClO3 → 2KCl + 3O2

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What is the molar mass of copper(II) sulfate,CuSO4 ?


A) 16.00 g/mole
B) 63.60 g/mole
C) 111.6 g/mole
D) 159.6 g/mole
E) 319.2 g/mole

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The molar mass of copper(II)nitrate,Cu(N The molar mass of copper(II)nitrate,Cu(N is ________. The molar mass of copper(II)nitrate,Cu(N is ________. is ________.

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The following reaction is correctly balanced. KCl The following reaction is correctly balanced. KCl → KCl + → KCl + The following reaction is correctly balanced. KCl → KCl +

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A reaction that releases energy as it occurs is classified as a(n) ________.


A) endothermic reaction
B) exothermic reaction
C) oxidation-reduction reaction
D) catalyzed reaction
E) decomposition reaction

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For the following question(s) ,consider the following balanced equation. For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g + 6 For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g O → 3 For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g + 2 For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g -How many grams of For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g are produced when 125 g of For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g reacts as shown in the following balanced equation? 4 For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g + 6NO → 5 For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g + 6 For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -How many grams of are produced when 125 g of reacts as shown in the following balanced equation? 4 + 6NO → 5 + 6 O A) 206 g B) 257 g C) 165 g D) 7.35 g E) 145 g O


A) 206 g
B) 257 g
C) 165 g
D) 7.35 g
E) 145 g

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Answer the question(s) below about the following reaction. 2 Answer the question(s) below about the following reaction. 2 → 2 O + -How many moles of oxygen gas can 5.0 moles of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) produce,if decomposition is complete? A) 5.0 moles B) 2.5 moles C) 1.0 mole D) 2.0 moles E) 10.moles Answer the question(s) below about the following reaction. 2 → 2 O + -How many moles of oxygen gas can 5.0 moles of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) produce,if decomposition is complete? A) 5.0 moles B) 2.5 moles C) 1.0 mole D) 2.0 moles E) 10.moles → 2 Answer the question(s) below about the following reaction. 2 → 2 O + -How many moles of oxygen gas can 5.0 moles of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) produce,if decomposition is complete? A) 5.0 moles B) 2.5 moles C) 1.0 mole D) 2.0 moles E) 10.moles O + Answer the question(s) below about the following reaction. 2 → 2 O + -How many moles of oxygen gas can 5.0 moles of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) produce,if decomposition is complete? A) 5.0 moles B) 2.5 moles C) 1.0 mole D) 2.0 moles E) 10.moles -How many moles of oxygen gas can 5.0 moles of hydrogen peroxide (H2O2) produce,if decomposition is complete?


A) 5.0 moles
B) 2.5 moles
C) 1.0 mole
D) 2.0 moles
E) 10.moles

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Acetylene gas, Acetylene gas, ,reacts with oxygen according to the following equation.If 1 mole of acetylene react completely with sufficient oxygen,how many moles of carbon dioxide are produced? 2 + 5 → 4C + O Acetylene gas, ,reacts with oxygen according to the following equation.If 1 mole of acetylene react completely with sufficient oxygen,how many moles of carbon dioxide are produced? 2 + 5 → 4C + O ,reacts with oxygen according to the following equation.If 1 mole of acetylene react completely with sufficient oxygen,how many moles of carbon dioxide are produced? 2 Acetylene gas, ,reacts with oxygen according to the following equation.If 1 mole of acetylene react completely with sufficient oxygen,how many moles of carbon dioxide are produced? 2 + 5 → 4C + O Acetylene gas, ,reacts with oxygen according to the following equation.If 1 mole of acetylene react completely with sufficient oxygen,how many moles of carbon dioxide are produced? 2 + 5 → 4C + O + 5 Acetylene gas, ,reacts with oxygen according to the following equation.If 1 mole of acetylene react completely with sufficient oxygen,how many moles of carbon dioxide are produced? 2 + 5 → 4C + O → 4C Acetylene gas, ,reacts with oxygen according to the following equation.If 1 mole of acetylene react completely with sufficient oxygen,how many moles of carbon dioxide are produced? 2 + 5 → 4C + O + Acetylene gas, ,reacts with oxygen according to the following equation.If 1 mole of acetylene react completely with sufficient oxygen,how many moles of carbon dioxide are produced? 2 + 5 → 4C + O O

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For the following question(s) ,consider the following balanced equation. For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -When 2 moles of are allowed to react,how many moles of O also react? A) 1 mole B) 4 moles C) 6 moles D) 8 moles E) 12 moles For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -When 2 moles of are allowed to react,how many moles of O also react? A) 1 mole B) 4 moles C) 6 moles D) 8 moles E) 12 moles + 6 For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -When 2 moles of are allowed to react,how many moles of O also react? A) 1 mole B) 4 moles C) 6 moles D) 8 moles E) 12 moles O → 3 For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -When 2 moles of are allowed to react,how many moles of O also react? A) 1 mole B) 4 moles C) 6 moles D) 8 moles E) 12 moles + 2 For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -When 2 moles of are allowed to react,how many moles of O also react? A) 1 mole B) 4 moles C) 6 moles D) 8 moles E) 12 moles -When 2 moles of For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -When 2 moles of are allowed to react,how many moles of O also react? A) 1 mole B) 4 moles C) 6 moles D) 8 moles E) 12 moles For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -When 2 moles of are allowed to react,how many moles of O also react? A) 1 mole B) 4 moles C) 6 moles D) 8 moles E) 12 moles are allowed to react,how many moles of For the following question(s) ,consider the following balanced equation. + 6 O → 3 + 2 -When 2 moles of are allowed to react,how many moles of O also react? A) 1 mole B) 4 moles C) 6 moles D) 8 moles E) 12 moles O also react?


A) 1 mole
B) 4 moles
C) 6 moles
D) 8 moles
E) 12 moles

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What type of reaction is the following? Zn + 2HCl → Zn What type of reaction is the following? Zn + 2HCl → Zn + + What type of reaction is the following? Zn + 2HCl → Zn +

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The following is a decomposition reaction. 2KClO3 → 2KCl + 3O2

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In the reaction of hydrogen gas with oxygen gas to produce water,1 mole of oxygen gas can produce 2 moles of water,given sufficient hydrogen available.

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Avogadro's number is the number of grams in a mole.

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The ________ is the minimum energy needed for a chemical reaction to begin.


A) reaction energy
B) activation energy
C) energy of reactants
D) energy of products
E) heat of reaction

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What is the molar mass of What is the molar mass of ,a substance formerly used in medicine as an antacid? A) 71.28 g/mole B) 118.3 g/mole C) 150.3 g/mole D) 214.3 g/mole E) 262.9 g/mole What is the molar mass of ,a substance formerly used in medicine as an antacid? A) 71.28 g/mole B) 118.3 g/mole C) 150.3 g/mole D) 214.3 g/mole E) 262.9 g/mole What is the molar mass of ,a substance formerly used in medicine as an antacid? A) 71.28 g/mole B) 118.3 g/mole C) 150.3 g/mole D) 214.3 g/mole E) 262.9 g/mole ,a substance formerly used in medicine as an antacid?


A) 71.28 g/mole
B) 118.3 g/mole
C) 150.3 g/mole
D) 214.3 g/mole
E) 262.9 g/mole

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In the following reaction C is reduced. 2C + In the following reaction C is reduced. 2C + → 2CO → 2CO

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The ________ is the energy difference between reactants and products in a chemical reaction.


A) transition energy
B) activation energy
C) product energy
D) overall energy
E) heat of reaction

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