AP Chemistry Guías de estudio, Notas de estudios & Resúmenes

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...

Carbonate - Answer CO3 2- Nitrate - Answer NO3 - Sulfate - Answer SO4 2- Acetate - Answer CH3COO - Hydroxide - Answer OH - Ammonium - Answer NH4 + Phosphate - Answer PO4 3- Cyanide - Answer CN - Permanganate - Answer MnO4 - Bicarbonate - Answer HCO3 - Peroxide - Answer O2 2- Chromate - Answer CrO4 2-

ammonium - Answer NH4+ nitrate - Answer NO3- Nitrite - Answer NO2- Sulfate - Answer SO4-2 Sulfite - Answer SO3-2 Cyanide - Answer CN- Hydroxide - Answer OH- Carbonate - Answer CO3-2 Hydrogen Carbonate - Answer HCO3- Nitrates - Answer soluble alkali metals - Answer soluble ammonium compounds - Answer soluble

If matter is uniform throughout and cannot be separated into other substances by physical means, it is ___. - Answer either an element or a compound Which of the following are chemical processes? I) rusting of a nail II) freezing of water III) decomposition of water into hydrogen and oxygen gases IV) compression of oxygen gas - Answer I and III only ____ refers to how close a measured number is to the true value - Answer Accuracy Barium reacts with a polyatomic ion to form a ...

critical point - Answer temperature-pressure point after which gas can no longer form liquid triple point - Answer temperature-pressure combination at which solid, liquid, and gas states appear sublimation - Answer phase change from solid to gas deposition - Answer phase change from gas to solid solid CO2 - Answer chemical composition of dry ice equilibrium - Answer happens at lines in phase change charts London dispersion forces - Answer universal IMF for nonpola...

What is a solution? - Answer A homogeneous mixture made up of two or more substances that do not chemically combine; instead, the substances mix uniformly in the solution. What is a solvent? - Answer The substance present in the largest quantity by volume, usually water. What is a solute? - Answer The substance that is dissolved in the solvent. How do you find the empirical formula of a compound? - Answer First, determine mol by dividing the percent comp or mass of elements by t...

Chemistry - Answer The scientific discipline that treats the composition, properties, and transformations of matter. Matter - Answer Anything that occupies space and has mass; the physical material of the universe. Property - Answer A characteristic that gives a sample of matter its unique identity. Element - Answer A substance that cannot be separated into simpler substances by chemical means. Atom - Answer The smallest representative particle of an element. Molecule - ...

Intermolecular Forces - Answer Forces of attraction between molecules ion-Dipole - Answer Forces of attraction between an ion and a polar molecule. Na+ & Cl- Dipole-Dipole - Answer Forces between the negative end of one polar molecule and the positive end of one polar molecule and the positive end of another polar molecule. Hydrogen Bonding - Answer Forces between a Hydrogen and a Fluorine, Oxygen, or Nitrogen London Dispersion - Answer Forces exist between all species. Wea...