AP Chemistry Study guides, Class notes & Summaries

AP Chemistry First Exam Multiple Choice Exam Questions with Answers Aluminum has a melting point of 660 degrees Celsius. ON the Kelvin scale, this would be: a. 387K b. 560K c. 760K d. 933K - Answer>> d. 933K Which of the following is a chemical property of ethyl alcohol? a. It is soluble in water. b. It can undergo combustion. c. It has a melting point of -117 degrees Celsius d. It has a density of 0.79 g/mL - Answer>> d. It has a density of 0.79 g/mL Ethyl alcohol...

AP Chemistry Final Exam Multiple Choice Questions with Answers Which of the following diatomic species has a bond order of 2? Li2 B2 N2 O2 F2 - Answer>> O2 (O2 has a double bond)

Acetate - Answer C2H3O2 - Aluminum - Answer Al +3 Ammonium - Answer NH4 + Barium - Answer Ba +2 Bicarbonate - Answer HCO3 - Bisulfate - Answer HSO4 - Bisulfide - Answer HS - Bisulfite - Answer HSO3 - Bromate - Answer BrO3 - Bromide - Answer Br - Bromite - Answer BrO2 - Aluminum Oxide - Answer Al2O3 Zinc Oxide - Answer ZnO

Density formula - Answer d=m/V Celsius to Kelvin - Answer C+273=K Percent yield formula - Answer (actual yield/theoretical yield) x100 Percent composition formula - Answer (molar mass of element/molar mass of compound) x100 Molarity formula - Answer moles/liter Dilution formula - Answer M1V1=M2V2 Boyle's law - Answer P1V1=P2V2 Charles' law - Answer V1/T1 = V2/T2 Ideal gas equation - Answer PV=nRT Combined gas law - Answer P1V1/T1 = P2T2/V2 Gay-...

Scientific Method - Answer Organized series of steps intended to help solve a problem or answer a question Scientific Method Steps - Answer Identify the problem/question; form a hypothesis; test the hypothesis; make observations and collect data; form a conclusion Theory - Answer Set of tested hypotheses that gives an explanation of some natural phenomenon Law - Answer Statement that summarizes what happens Law of Conservation of Mass - Answer States that the total mass of ...

The lower potential energy a compound has, - Answer the more stable it is. Bond order formula - Answer # of bonds / # of domains strongest to weakest bonds - Answer triple, double, single longest to shortest bonds - Answer single, double, triple nonpolar covalent - Answer electrons are shared equally (symmetrical), no net dipole moment; < 0.4 polar covalent - Answer unequal sharing of electrons (asymmetrical), net dipole; 0.4-1.8 ionic bond - Answer the attract...

acids characterisitics - Answer sour taste acetic acid is found in vinegar citric acid is found in fruits base characteristics - Answer bitter tasting poisonous plants (people reject this flavor) broccoli, turnip, baking soda they feel slippery the react with oils in your skin to form soap many cleaning products contain NH3 blood drain cleanser contains KOH arrhenius acid - Answer they are the acids that dissociate in water to produce H+ ions arrhenius base - Answer th...

intermolecular forces - Answer forces of attraction between molecules IM forces are weaker or stronger than covalent or ionic bonds? - Answer weaker the stronger the IM forces - Answer the higher the boiling point ion-dipole forces - Answer electrical attractions that exist between an ion and polar molecules dipole-dipole forces - Answer electrical attractions that exist between polar molecules london dispersion forces - Answer electrical attractions resulting from a t...

atomic number - Answer The same as the number of protons in the nucleus of an element; it is also the same as the number of electrons surrounding the nucleus of an element when it is neutrally charged. mass number - Answer The sum of an atom's neutrons and protons isotopes - Answer Atoms of an element with different numbers of neutrons Avogadro's number - Answer 6.022×10²³ particles per one mole Moles - Answer grams/molar mass Standard Temperature and Pressure (STP)...

Arrhenius theory - Answer The theory that an acid increases hydrogen ion concentration when dissolved and that a base increase hydroxide ion concentration when dissolved. Avogadro's principle - Answer A statement of the direct relationship between the moles of a gas and the volume of that gas. Beer's law - Answer The statements that the absorbance of a sample is the product of the absorptivity, optical path length, and same concentration; A = abc. Boyle's law - Answer The law...