U4 - Naming/Bonding
U5 - Chemical Reactions
U6 - Stoichiometry
U7 - Gases, Liquids, Solids
U8 - Solutions/Equilibrium
100

This is the formula for aluminum oxide.

What is Al2O3?

100

These types of reactions are oxidation-reduction reactions. 

What are synthesis, decomposition, single replacement, and combustion? 

100

This is the number of molecules in 0.350 moles of glucose (C6H12O6, molar mass = 180.16 g/mol). 

What is 2.11 x 1023 molecules of glucose? 

100

This is the type of solid formed by NH3.

What is a molecular solid? 

100

This is the mass percent of NaCl when 0.25 moles of NaCl are dissolved in 1.5 L of water (density = 1.00 g/mL), creating a solution with a final volume of 1.505 L. 

What is 0.96%? 

200

This is the name of N2O5

What is dinitrogen pentoxide? 

200

This is the word equation for the following reaction: 

FeBr3 + Na2SO4 --> Fe2(SO4)3 + NaBr

What is...

Iron (III) bromide and sodium sulfate react to form iron (III) sulfate and sodium bromide. 

200

This is the limiting reactant when 325 g of hexane (C6H14, molar mass = 86.20 g/mol) reacts with 1800 g of oxygen gas according to the following balanced equation: 

2 C6H14 + 19 O2 --> 12 CO2 + 14 H2

What is hexane? 

200

This is the equivalent of 1.2 x 105 Pascals in torr. 

What is 900 torr? 

200

This is the volume (in L) of stock 10.0 M HCl solution that is needed to prepare 50 mL of 0.125 M HCl. 

What is 6.25 x 10-4 L? 

300

This is the name of SnS2.

What is tin (IV) sulfide?

300

This is the balanced version of the following unbalanced equation: 

_ C4H10 + _ O2 --> _ CO2 + _ H2

What is...

2 C4H10 + 13 O2 --> 8 CO2 + 10 H2

300

This is the mass of water vapor produced from the combustion of 15.05 g of methane (CH4) with excess oxygen gas. 

What is 33.8 g of H2O?

300

This is the substance that would exert the lowest vapor pressure in a sealed container out of the following: 

H2O, CH4, C2H6, C3H8, O2 

What is H2O? 

300

This is the volume (in L) of a 0.025 M solution of NaBH4 that is needed to produce 0.5 g of B2H6 (molar mass = 27.66 g/mol) when H2SO4 is present in excess according to the following reaction: 

2 NaBH4 + H2SO4 --> 2 H2 + Na2SO4 + B2H6

What is 1.45 L of NaBH4 solution? 

400

This is the formula for manganese (II) phosphate. 

What is Mn3(PO4)2

400

This is the reaction type for the following reaction: 

Zn + 2 HCl --> ZnCl2 + H2


What is single replacement? 

400

This is the percent yield of methanol (CH3OH, molar mass = 32.05 g/mol) when 85.6 g of CO is reacted with excess hydrogen yielding 90.2 g of methanol according to the following reaction: 

CO + 2 H2 --> CH3OH

What is 92.1%? 

400

This is the mass of oxygen gas that would fill a 50 L container to a pressure of 1.5 atm at 25 °C.  

What is 98.14 grams of O2

400

For the reaction F2 (g) <-> 2 F (g) at a particular temperature, K=4.0 x 10-6. This is the value of Q and the direction the reaction will shift in order to reach equilibrium if the partial pressures at a certain point were observed to be PF2=1.3 atm and PF=0.4 atm. 

What is...

Q=0.123, and the reverse reaction will proceed until equilibrium is reached.  

500

This is the type of bond that forms between sulfur and phosphorus. 

What is a nonpolar covalent bond? 

500

Assuming the reaction occurs, these are the formulas of the products that form from the reaction of barium permanganate and cesium nitrate. 

What are Ba(NO3)2 and CsMnO4?

500

This is the mass of nitric acid (HNO3, molar mass = 63.02 g/mol) produced from the reaction of 50 g of N2O5 (molar mass = 180.02 g/mol) and 20 g of water according to the following equation: 

N2O5 + H2O --> 2 HNO3

What is 58.3 g of HNO3?

500

This is the new volume of a sample of argon gas that originally occupied 1.5 L at 150 K and 2.5 atm after the temperature was doubled and the pressure was halved. 

What is 6.0 L? 

500

This is the volume (in mL) of a 0.035 M K2O solution that contains 0.55 g of K+ ions. 

What is 200.95 mL? 

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