Chemistry 120 Word Scramble
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Question | Answer |
Kinetic Molecular Theory #1 | The volume of individual particles of a gas can be assumed to be negligible. |
Kinetic Molecular Theory #2 | The particles are in constant motion, the collision of the particles creates pressure. Particles are elastic. |
Kinetic Molecular Theory #3 | The particles exert no force on each other. They neither attract nor repel. |
Kinetic Molecular Theory #4 | The kinetic energy of gas particles is directly proportional to the temperature of the gas. The particles move faster as the temperature rises. |
Deviation from Ideal Gas | High pressure and low temperature |
Van Der Waals's Equation | [ P + a (n/V)^2 ](V-nb) = nRT |
Van Der Waals's Equation | P = [(nRT)/(V-nb)] - a(n/V)^2 |
Determine Final Volume (Given: V1; T1; & T2) | (V1/T1) = (V2/T2) - Charles's Law |
Determine Final Moles (Given V1; n1; & V2) | (V1/n1) = (V2/n2) - Avogadro's Law |
Solving with Density | Density(m/V) = [(molar mass)(P)]/RT |
Reaction Stoichiometry | Solve for MOLES |
Gases at Two Conditions | [(P1 X V1)/(n1 X T1)] = [(P2 X V2)/(n2 X T2)] |
Determining Partial Pressures (double bulb diagram) | [(V X P)/Total V] + [(V X P)/Total V] |
atm -> torr | 1 atm = 760 torr |
Using Mole Fraction = Partial Pressure | P1/Ptotal = n1/ntotal (n total = 1) |
Two Reactant within a Gas Law Problem | Reactant Volume -ideal gas law-> moles of reactant - determine limiting reactant -> use limiting reactant to determine moles of product -ideal gas law-> volume of product |
Effusion (movement) | (Rate1/Rate2) = (Molar Mass2/Molar Mass1)^1/2 ->sq root - higher molar mass = slower rate |
R(torr) = R(atm) = | 62.36 .0821 |
Determine Heat | Molar Heat Capacity X mol X Change in Temperature |
Determine Energy/Heat | Specific Heat Capacity X Mass X Change in Temperature |
Determine Specific Heat Capacity | Heat / (Mass X Change in Temperature) |
Specific Heat Capacity | The amount of heat necessary to raise the temperature one degree of one gram of a substance |
Determine Heat with Balanced Equation | Multiply Moles of the substance by "Delta Heat"/mole ration |
Calorimetry | Heat loss = Heat gain |
Calorimetry Heat Capacity | Heat Absorbed / Increase in Temp |
Enthalpies of Formation in a Reactions | [Sum of products (moles X enthalpy formation)] - [Sum of reactants (moles X enthalpy formation)] |
h - lambda (meters) | wavelength |
v - nu (sec^-1 or Hz) | frequency |
Find wavelength or frequency | lambda = constant(2.9979*10^8 m/sec) / nu nu = constant(2.9979*10^8 m/sec) / lambda |
Quantum Energy | Planck's constant (6.626*10^-34Js) X frequency |
Energy of a Photon | (Planck's constant X Speed of light)/ lambda |
Mass of a Photon | Planck's constant / (wavelength X speed of light) |
Determine Wavelength (given mass) | Planck's constant / (mass X velocity) |
Quantum Numbers | n; l; ml; ms |
l numbers | 0 = s; 1 = p; 2 = d; 3 = f |
Subshells | s = 1; p = 3; d = 5, f = 7 |
Pauli Exclusion Principle | In a given atom not two electrons can have the same set of four quantum numbers |
Heisenberg uncertainty principle | uncertainty in particle's position X uncertainty in particle's momentum (greater than or equal to) planck's constant / 4pi |
n | related to size and energy of the orbital |
l | related to the shape of the orbital |
ml | related to the position of the orbital in space relative to other orbitals |
ms | related to the spin of the electron |
Electron Affinity | Energy change associated with the addition of an electron |
Ionization Energy | Energy change associated with the removal of an electron |
Group 5 Ionization Energy | Group 5 is greater then 4 and 6 |
Created by:
amandacharles
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