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18 Cards in this Set
- Front
- Back
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Which has the highest entropy?
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The molecule with the highest temperature.
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Above what temperature does the following reaction become nonspontaneous?
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Multiply ΔH by 1000 and divide by ΔS
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1st order
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rate = k[A]^1
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2nd order
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rate = k[A]^2
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0th order
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rate = k[A]^0
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A reaction is exothermic and has a negative value of ΔS. The value of ΔG for this reaction is therefore
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positive above a certain temperature and negative below it
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Which of the following processes shows a decrease in entropy of the system
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The equation will go from two mol to one mols.
2 NO(g) + O2(g) → 2 NO2(g) |
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What data should be plotted to show that experimental concentration data fits a second order reaction?
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1/[reactant] vs. time
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Dynamic equilibrium occurs when....
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the rate of the forward reaction equals the rate of the
reverse reaction |
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Express the equilibrium constant for the following reaction.
2 P(g) + 3 Cl2(g) 2 PCl3(g) |
Kc = [PCl3]2 / [P]2[Cl2]3
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Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2] = 1.5 M, [H2] = 1.1 M, [NH3] = 0.47 M
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0.11
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Determine the oxidation number
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The charge must balance the charge of the molecule as a whole
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Brønsted-Lowry acid
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Any molecule with an H in the front
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Which of the following (with specific heat capacity provided) would show the smallest?
temperature change upon absorbing 200.0 J of heat |
q=(specific heat) x (mass) x ΔT
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How many liters of a 0.0550 M KCl solution contain 0.163 moles of KCl?
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divide 0.163 moles by 0.0550M
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How many moles of oxygen (O2) are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g/mol.
4 KNO3(s) → 2 K2O(s) + 2 N2(g) + 5 O2(g) |
Divide 58.6 g of KNO3 by the molar mass 101.11. times that by the ratio of moles.
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How many liters of a 0.0550 M KCl solution contain 0.163 moles of KCl?
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Divide 0.163 by 0.0550 M
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Identify the spectator ions in the following molecular equation
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The ones that don't do anything
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