New Chemistry Test Help

True/False1. True or False: Charles’ Law states that if the pressure remains constant, thevolume of a gas varies directly as the absolute temperature.2. True or False: R eactions are driven to a state of greater order which is calledentropy.3. True or False: Hess’ Law of Heat Summation states that the total energy of theuniverse is constant and cannot be created or destroyed.4. True or False: A binary compound contains two sets of polyatomic particles.5. True or False: The Bohr model gives one description of the atom and itsmakeup.6. True or False: E quilibrium is a static phase.7. True or False: The periodic law states that the properties of elements are basedon their atomic numbers.8. True or False: Neutralization occurs when acids and bases react to form waterand a salt.9. True or False: An element is a type of compound.10. True or False: T he process of making soap from the reaction of an alkali witha fat is called saponification.11. True or False: Isomers have the same formula but different structures.12. True or False: Valence electrons are found closest to the nucleus of the atom.13. True or False: Electrolytes are substances which dissolve in water to form a NOTESsolution which will conduct electricity.14. True or False: The refraction of light is the bending of light rays as they passfrom one material into another.15. True or False: Categories of subatomic particles include: electrons, protons,neutrinos, quarks.16. True or False: The hydrolysis of salts is the reaction involving the splitting ofwater into its ions by the formation of carbohydrates.17. True or False: Compound formation always occurs with the same percentcomposition of the elements.Multiple Choice1. Boyle’s Law is stated as the following.A. If the temperature remains constant, the volume of a gas varies inverselyas the pressure changes.B. If the temperature remains constant, the volume of a gas varies directly asthe pressure changes.C. If the temperature remains constant, the mass of a gas varies directly as thepressure changes.D. None of the above.2. Isotopes of an element differ in the number ofA. quarksB. neutronsC. neutrinosD. electrons3. The Ideal Gas Law is expressed as the following.A. V/T=kB. V/T=nR/PC. PV=nRTD. None of the above.4. The following are types of bonds.A. IonicB. CovalentC. MetallicD. All of the above5. Water purification methods include the following.A. FreezingB. AerationC. A & BD. None of the above6. The Second Law of Thermodynamics states that the entropy of the universe_____ for any spontaneous process.A. increasesB. decreasesC. disappearsD. None of the above7. A reducing agent loses its ________ electrons readily to another element. NOTESA. valenceB. openC. solubleD. solvent8. An alloy is a mixture of two or moreA. saltsB. metalsC. acidsD. bases9. The Bronsted Theory states that acids are proton ______ and bases are proton_____A. generators, consumersB. acceptors, donorsC. donors, acceptorsD. None of the above10. Quantum numbers are the following.A. Principal, angular momentum, magnetic, spinB. Orbital, rectangular, lepton, neutrinoC. A & BD. None of the above11. Bases react with fats to formA. soapsB. oilsC. A & BD. None of the above12. Examples of physical properties include the following.A. Solubility in waterB. Boiling pointC. Melting pointD. All of the above13. The concept that states that if a stress is applied to a system in equilibrium,that equilibrium is moved in the direction which counteracts the effect of thestress.A. Second Law of ThermodynamicsB. Le Chatalier’s PrincipleC. Law of Mass ActionD. Collision Theory 14. There are ___ general rules of solubility.A. 5B. 6C. 8D. 915. A precipitate is an ________ compound formed in the chemical reactionbetween two or more substances in solution.A. inmiscibleB. indicatorC. insolubleD. ionic16. A ________ is an instrument used to analyze light by separating it into itscomponent wavelengths.A. spinthariscopeB. spectroscopeC. spectrometerD. None of the above17. Kinetic energy is energy ofA. motionB. positionC. A & BD. None of the above.Fill-in-the-blank NOTES1. A reaction in which energy is released is termed an _______ reaction.2. ______ Principle states that an electron occupies the lowest energy orbital thatcan receive it.3. An anion is an ion or particle which has a _______ charge.4. The decomposition or ________ reaction occurs when the compound is brokendown into elements or other compounds.5. The ______ properties of hydrogen include the following: colorless; odorless;tasteless; most rapidly diffusing gas.6. ________ is the process of adding hydrogens to an unsaturated hydrocarbon inthe presence of a suitable catalyst.7. Sodium chloride is a strong ________ meaning that it conducts electricity whendissolved in water.8. _______ has space and mass.9. Noble gases have very ____ reaction rates.10. An __________ formula shows simplest ratio of the numbers and kinds ofatoms.11. The number of ______ determines the atomic number.12. Coefficients or the _____ in front of the formulas are used to balanceequations. 13. A ______ is a substance that when added to a solution, makes changing the pHof the solution more difficult.14. Graham’s Law states that the rate of diffusion of a gas is ________ proportionalto the square root of its molecular mass.15. Acid and base concentration are often expressed by means of the ___ system.16. The fewer electrons that an atom tends to add or lose the more ________ ittends to be in chemical reactions.