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Final UGA

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
What is chemistry?   show
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Name the seven fundamental units of measurements and their symbols   show
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Give abbreviation and meaning for following prefixes: 1) mega- 2) kilo- 3) deci- 4)centi- 5) milli- 6)micro- 7) nano- 8)pico-   show
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show 1 ft = 12 in 1 yd = 3 ft 1 mile = 5280 ft 2.54 cm = 1 in 1 mL = 1 cm (cubed) 1 gal = 4 qt 1 L = 1.057 qt 1 lb = 16 oz  
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show Mass A / Mass Mixture  
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Solve: Us pennies made since 1982 consist of 97.6% zinc and 2.4% copper. The mass of a particular penny is measured to be 1.494g. How many grams of zinc does this penny contain?   show
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show density = mass/volume  
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show Sp. Gr. = D substance / D water  
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show K = C + 273.15  
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Formula: Fahrenheit to Celcius   show
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Formula: Specific Heat   show
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show 6.02 x 10^4 J  
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Accuracy   show
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Calorie   show
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Chemical Change   show
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Endothermic   show
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Energy   show
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Exothermic   show
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show Energy cannot be created or destroyed in a chemical reaction or in a physical change; it may be changed from one form to another.  
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show No detectable change occurs in the total quantity of matter during a chemical reaction or during a physical change  
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show The combined amount of matter and energy in the universe is fixed  
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Law of Constant Composition or Law of Definite Proportion   show
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Precision   show
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show A general statement based on the observed behavior of matter to which no exceptions are known  
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Which of the following processes are exothermic? endothermic? a. burning gasoline b. freezing ice cream c. melting chocolate d. cooling hot water e. condensing water vapor f. burning a match   show
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Which illustrate the concept of potential energy? Kinetic energy? a. a car moving at 55mph b. a rubber band stretched around a paper c. frozen ice cream d. a comet moving through space e. a basketball dropping through a net f. the roof of a house   show
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Molecular Compound : H20   show
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show Hydrogen Peroxide  
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Molecular Compound : HCl   show
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show sulfuric acid  
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Molecular Compound : HNO3   show
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Molecular Compound : CH3COOH   show
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Molecular Compound : NH3   show
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show Sulfur dioxide  
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Molecular Compound : SO3   show
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Molecular Compound : CO   show
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show Carbon dioxide  
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Molecular Compound : methane   show
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show C2H6  
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show C3H8  
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show C4H10  
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show C5H12  
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show benzene  
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show CH3OH  
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Molecular Compound : ethanol   show
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Molecular Compound : CH3COCH   show
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show CH3CH2OCH2CH3  
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Moles   show
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Solve : How many moles of atoms does 136.9g of iron metal contain?   show
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Solve : A 0.1014-g sample of purified glucose was burned in a C-H combustion train toproduce 0.1486 g sample of CO2 and 0.0609 g of H2O. Determine the masses of C,H and O in the sample and the percentages of these elements in glucose.   show
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Solve : Calculate the masses of NaOH and impurities in 45.2 g of 98.2% pure NaOH.   show
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show Different forms of the same element in the same physical state  
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Law of Multiple Proportions   show
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show a)magnesium chloride b)iron(II)nitrate c)sodium sulfate d)Calcium hydroxide e)sodium(III)sulfate  
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show a) 288.5amu b) C19H28O2  
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show 1.35 x 10^3 g/mol vitamin B12  
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show 76.8g O2  
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show actual yield / theoretical yield x 100%  
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show number of moles of solute / number liters of solution V1M1 = V2M2 (for dilution only)  
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show 14.7 M H3PO4  
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show 0.40L  
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show Number of protons + number of neutrons Atomic Number + number of neutrons  
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show x(68.9257) + (1-x)(70.9249) = 69.72 amu 60.0% 69Ga 40.0% 71Ga  
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Formula : Speed of Light or waves   show
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show Lower  
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Formula : Energy of Light   show
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show 6.626 x 10^-34 J  
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Formula : Speed of Light   show
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Solve : A green line of wavelength 4.86 x 10^-7 m is observed in the emission spectrum of hydrogen. Calculate the energy of one photon of this green light.   show
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show (plank's constant) / (mass x velocity)  
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show a) 5.87 x 10^-11 m b) 1.08 x 10^-34 m  
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show n = 1, 2, 3, 4... main energy level or shell than an electron occupies  
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Formula : momentum quantum number   show
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Formula : magnetic quantum number   show
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Formula : spin quantum number   show
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Absorption Spectrum   show
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Aufbau Principle   show
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show A spectrum that contains all wavelengths in a specified region of the electromagnetic spectrum  
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show energy that is propagated by means of electric and magnetic fields that oscillate in directions perpendicular to the direction of travel of the energy.  
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Emission Spectrum   show
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show the property that allos a substance to become permanently magnetized when placed in a magnetic field; exhibited by iron, cobalt, and nickel and some of their alloys  
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show the number of crests of a wave that pass a given point per unit time  
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Heisenberg Uncertainty Principle   show
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show Each orbital of a given subshell is occupied by a single electron before pairing begins  
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Isotopes   show
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show Attraction toward a magnetic field, strong than diamagnetism, but still very weak compared with ferromagnetism; due to presence of unpaired electrons  
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show No two electrons in the same atom may have identical sets of quantum numbers  
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show emission of an electron from the surface of a metal, caused by impinging electromagnetic radiation of certain minimum energy; the resulting current increases with increasing intensity of radiation.  
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show Decreases Across Periodic Table Increase Down Periodic Table  
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Trends : Ionization Energy   show
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Trends : Electron Affinity   show
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show General Rules Decreases Across Periodic Table Increases Down Periodic Table The more positive an elements valence shell, the smaller it will be.  
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show Increase across periodic table Decrease down periodic table  
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show substances whose acqeous solutions conduct electric currents. Strong Electrolytes Weak Electrolytes Nonelectrolytes  
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show A) HCl; HBr; HI; HNO3; HClO4; HClO3; H2SO4 B) HF; CH3COOH; HCN; HNO2; H2CO3; H2SO3; H3PO4; (COOH)2 - oxalic acid  
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A) Common Strong Bases B) Common Weak Bases   show
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show Hypochlorous acid, perchloric acid, nitrious acid, nitric acid, hypophosphorous acid  
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show 1. Hypo- -ous/-ite, -ous/-ite, -ic/-ate, per- -ic/-ate 2. When two nonmetals are bonded together, use greek and latin number prefixes one through ten  
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Oxidation and Reduction   show
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show OA - 1) oxidize other substances 2)contain atoms that are reduced 3)gained electrons RA - 1)reduce other substances 2)contain atoms that are oxidized 3)lose electrons  
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show redox reaction in which the same element is oxidized or reduced  
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Redox Reactions   show
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show Reactions in which two or more substances combine to form a compound. REDOX  
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Decomposition Reactions   show
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show Reactions in which one element displaces another from a compound REDOX  
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Matathesis Reaction   show
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show Products include an insoluble or slightly soluble gas, which escapes from solution  
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show A) Longest and weakest B) Medium and Medium C) Shortest and strongest  
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show 180(deg) angles AB2 No Lone Pairs Hybridization = sp  
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Electronic and Molecular Geometry : Trigonal Planar   show
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Electronic and Molecular Geometry : Tetrahedral   show
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Electronic and Molecular Geometry : Trigonal Bipyramidal   show
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Electronic and Molecular Geometry : Octahedral   show
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Sigma Bond   show
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Pi Bond   show
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Formula : Bond Order   show
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show sour taste, change colors of indicators, Nonoxidizing acids react with metal above hydrogen to liberate hydrogen gas, acids react with metal oxides and hydroxides to form salts and water, acids react with salts of weaker acids and form weaker acids  
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show Bitter taster, slippery feeling, change color of indicators from red to blue and yellow to blue, reacts with acids to form salts and water, conduct an electric current  
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show an acid is a substance that contains hydrogen and produces H+ in aqueous solution. a base is a substance that contains the OH group and produces OH- in aqueous solution  
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Bronsted-Lowry Theory   show
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show An acid is any species that can accept a share in an electron pair. A abse is any species that can donate or share one or more lone pairs of electrons.  
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Boyle's Law   show
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Formula : Boyle's law   show
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Charles Laws   show
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Formula : Charles Law   show
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Standard Temperature and Pressure   show
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show  
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Standard Molar Volume   show
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Formula : The Ideal Gas Equation   show
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Formula : Ideal Gas Constant   show
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show The total pressure exerted by a mixture or ideal gases is the sum of the partial pressures of those gases  
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show Ptotal = n1RT/V + n2RT/V + n3RT/V .... Ptotal = P1 + P2 + P3....  
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show the average kinetic energy of gaseous molecules is directly proportional to the absolute temperature of the sample. The average kinetic energies of molecules of different gases are equal at a given temperature  
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Formula : Kinetic Molecular Theory   show
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Formula : Molecular Speed   show
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