Have an account?
Skip to Content
Build your own quiz
40 questions
Show Answers
See Preview
- 1. Multiple ChoiceHow many atoms of fluorine are present in a molecule of carbon tetrafluoride, CF4?1245
- 2. Multiple ChoiceThe formula for carbon dioxide, CO2, can representone molecule of carbon dioxide1 mol of carbon dioxide moleculesthe combination of 1 atom of carbon and 2 atoms of oxygenall of the above
- 3. Multiple ChoiceWhat is the formula for zinc fluoride?ZnFZnF2Zn2FZn2F3
- 4. Multiple ChoiceWhat is the formula for aluminum sulfate?AlSO4Al2SO4Al2(SO4)3Al(SO4)3
- 5. Multiple ChoiceName the compound Zn3(PO4)2zinc potassium oxidetrizinc polyoxidezinc phosphatezinc phosphite
- 6. Multiple ChoiceName the compound Al2S3aluminum sulfatealuminum sulfuraluminum(II) sulfatealuminum sulfide
- 7. Multiple ChoiceName the compound CF4calcium fluoridecarbon fluoridecarbon tetrafluoridemonocalcium quadrafluoride
- 8. Multiple ChoiceWhat is the formula for dinitrogen trioxide?Ni2O3NO3N2O6N2O3
- 9. Multiple ChoiceWhat is the formula for hydrochloric acid?HFHClHClOH2CO3
- 10. Multiple ChoiceThe molar mass of an element is the mass of oneatom of the elementcrystal of the elementgram of the elementmole of the element
- 11. Multiple ChoiceWhat is the formula mass of magnesium chloride, MgCl2?46 amu59.76 amu95.21 amu106.35 amu
- 12. Multiple ChoiceWhat is the formula mass of (NH4)2SO4?114.09 amu118.34 amu128.06 amu132.16 amu
- 13. Multiple ChoiceThe molar mass of CCl4 is 153.81 g/mol. How many grams of CCl4 are needed to have 5.000 mol?5 g30.76 g769.0 g796.05 g
- 14. Multiple ChoiceHow many molecules are there in 5.0 g of methyl alcohol, CH3OH?9.4 x 10223.0 x 10243.6 x 10243.8 x 1024
- 15. Multiple ChoiceWhat is the percentage composition of CO?50% C, 50% O12% C, 88% O25% C, 75% O43% C, 57% O
- 16. Multiple ChoiceIn a chmeical reactionthe mass of the reactants equals the mass of the productsthe mass of the products is greater than the mass of reactantsthe number of atoms in the reactants and products must changeenergy as heat must be added to the reactants
- 17. Multiple ChoiceWhich observation does not inddicate that a chemical reaction has occurred?formation of a precipitateproduction of a gasevolution of heat and lightchange in total mass of substances
- 18. Multiple ChoiceWhen a solid produced by a chemical reaction separates from the solution it is calleda precipitatea reactanta moleculethe mass of the product
- 19. Multiple ChoiceThe word equation solid carbon + oxygen gas --> carbon dioxide gas + energy, represents a chemical reaction becausethe reaction releases energyCO2 has chemical properties that differ from those of C and Othe reaction absorbs energyCO2 is a gas and carbon is a crystal
- 20. Multiple ChoiceHow would oxygen be represented in the formula equation for the reaction of methane and oxygen to yield carbon dioxide and water?oxygenOO2O3
- 21. Multiple ChoiceWhich of the following is a formula equation for the formation of carbon dioxide from carbon and oxygen?Carbon plus oxygen yields carbon dioxideC + O2 --> CO2CO2 --> C + O22C + O --> CO2
- 22. Multiple ChoiceIn an equation, the symbol for a substance in water solution is followed by(l)(g)(aq)(s)
- 23. Multiple ChoiceWhen the equation Fe3O4 + Al --> Al2O3 + Fe is correctly balanced, what is the coefficient of Fe?3469
- 24. Multiple ChoiceThe equation AX --> A + X is the general equation for asynthesis reactiondecomposition reactioncombustion reactionsingle-displacement reaction
- 25. Multiple ChoiceThe equation AX + BY --> AY + BX is the general equation for asynthesis reactiondecomposition reactionsingle-displacement reactiondouble-displacement reaction
- 26. Multiple ChoiceThe equation A + X --> AX is the general equation for a(n)combustion reactionionic reactionsynthesis reactiondouble-displacement reaction
- 27. Multiple ChoiceThe equation A + BX --> AX + B is the general equation for adouble-displacement reactiondecomposition reactionsingle-displacement reactioncombustion reaction
- 28. Multiple ChoiceThe reaction represented by the equation 2KClO3(s) --> 2KCl(s) + 3O2(g) is a(n)synthesis reactiondecomposition reactioncombustion reactionionic reaction
- 29. Multiple ChoiceThe activity series of metals indicates the ease with which metalatoms gain neutronsnuclei fuseatoms form covalent bondsatoms lose electrons
- 30. Multiple ChoiceThe coefficients in a chemical equation represent themasses, in grams, of all reactants and productsrelative numbers of moles of reactants and productsnumber of atoms in each compound in a reactionnumber of valence electrons involved in the reaction
- 31. Multiple ChoiceIn the reaction represented by the equation N2 + 3H2 --> 2NH3, what is the mole ratio of nitrogen to ammonia?1:11:21:32:3
- 32. Multiple ChoiceThe Haber process for producing ammonia commercially is represented by the equation N2(g) + 3H2(g) --> 2NH3(g). To completely convert 9.0 mol of hydrogen gas to ammonia gas, how many moles of nitrogen gas are required?1.0 mol2.0 mol3.0 mol6.0 mol
- 33. Multiple ChoiceFor the reaction represented by the equation 2H2 + O2 --> 2H2O, how many grams of water are produced from 6.00 mol of hydrogen?2.00 g6.00 g54.0 g108 g
- 34. Multiple ChoiceOzone, O3, is produced by the reaction represented by the following equation: NO2(g) + O2(g) --> NO(g) + O3(g)
What mass of ozone will form from the reaction of 2.0 g of NO2 in a car's exhaust and excess oxygen?1.1 g O31.8 g O32.1 g O34.2 g O3 - 35. Multiple ChoiceA chemical reaction involving substances A and B stops when B is completely used. B is theexcess reactantlimiting reactantprimary reactantprimary product
- 36. Multiple ChoiceWhat is the measured amount of a product obtained from a chemical reaction?mole ratiopercentage yieldtheoretical yieldactual yield
- 37. Multiple ChoiceAccording to the kinetic-molecular theory, particles of matterare in constant motionhave different shapeshave different colorsare always fluid
- 38. Multiple ChoiceThe kinetic-molecular theory explains the behavior ofgases onlysolids and liquids onlyliquids and gases onlysolids, liquids, gases
- 39. Multiple ChoiceAccording to the kinetic-molecular theory, which is the most significant difference between gases and liquids?the shapes of the particlesthe mass of each particlethe distance between the particlesthe type of collision that occur between particles
- 40. Multiple ChoiceWhat determines the average kinetic energy of the molecules of any gas?temperaturepressurecontainer volumemolar mass
- Answer choicesTagsAnswer choicesTags