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Chem 1B Final Review Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution £6.37   Add to cart

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Chem 1B Final Review Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution

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Chem 1B Final Review Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution

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  • June 26, 2024
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  • 2023/2024
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Hkane
Chem 1B Final Review
"real" formula for equilibrium pressure, Kp? - ✅✅-Kp=Kc(RT)^(∆n), where
∆n=(c+d)-(a+b) (coefficients)

∆G°rxn is - ✅✅-the difference in standard free energies of the PURE products and
the PURE reactants

∆Grxn is - ✅✅-the free energy at a fixed composition of the rxn mixture
∆S(surr) formula? - ✅✅-∆S(surr)=-∆H(system)/T

∆S(surr) unit? - ✅✅-J/K

∆S(uni) formula #2? - ✅✅-∆S(uni)=∆S(sys)+(-∆H(system)/T)

∆S(uni) formula? - ✅✅-∆S(uni)=∆S(sys)+∆S(surr)

3 types of solids? - ✅✅-molecular solids. ionic solids. atomic solids.

amorphous solids - ✅✅-aren't orderly; random. melt over range of temp.

antiflourite avg # atoms - ✅✅-8 for cation, 4 for anion

antiflourite c#? - ✅✅-4 for cation, 8 for anion

antiflourite has the cation on the... - ✅✅-faces


✅✅
as temperature increases, an exothermic process w/ negative ∆S(system) become
____ spont. - -less


✅✅
at equilibrium, if the rxn is endo, and the temp decrease, what happens to K? -
-decrease


✅✅
at equilibrium, if the rxn is endo, and the temp increase, what happens to K? -
-increase


✅✅
at equilibrium, if the rxn is exo, and the temp decrease, what happens to K? -
-increase


✅✅
at equilibrium, if the rxn is exo, and the temp increase, what happens to K? -
-decrease

atomic solids. - ✅✅-atoms

, avg number of atoms/unit cell formula? - ✅✅-avg = mass x avog #/ molar mass
cesium chloride average # atoms/uc? - ✅✅-1

cesium chloride c#? - ✅✅-8 for both anion and cation

cesium chloride takes on ___ cubic unit - ✅✅-simple

change in entropy formula??? - ✅✅-∆S°=∑nSproduct-∑nSreactant

coord # of fcc (ccc) - ✅✅-12

coord # of hcp - ✅✅-12

coord # of simple cubic array (sc)? - ✅✅-6 for each sphere

covalent bonding forces are.. - ✅✅-network solids

crystalline solid - ✅✅-orderly arrangement. geometric shape, flat surface, angles.
all melt at one distinct temp.

✅✅-k is @ equilibrium, while q isn't (has subscript of 0)
differences b/w q and k? -

dipole-dipole forces - ✅✅-from + & - molecules, polar with polar

do most rxns go to completion? - ✅✅-no, they stop short at an intermediate state
where there are mixtures of products and reactants.

does gas or liquid have higher entropy? - ✅✅-gas
electrostatic bonding forces are... - ✅✅-ionic bonds
entropy increases from a ____ to a ____ to a _____ - ✅✅-(lowest) solid to liquid to
gas (highest)

flourite avg # atoms? - ✅✅-4 for cation, 8 for anion
flourite c# -✅✅-8 for cation, 4 for anion
flourite has the cation on the ____ - ✅✅-corners

for a diatomic atoms, which will be zero? - ✅✅-free energy (G) and enthalpy (H)

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