Specific Heat      1) Which of these substances has the highest specific heat?      (a) Sample A      (b) Sample B...

Properties of Solutions   60) m1 = 5.00 g la      m2 = 0.100 kg C6H6      Tf = 4.1°C      Tf° = 5.5°C      Kf = 5.12°C/m...

Gases   32) V = 456 mL          m = 3.18 g C3H8          R = 0.0821 L•atm•mol-1•K-1            T = 23°C            (a) PV =...

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Thermochemistry    72) (a) N2O4(g) + 4H2(g) N2(g) + 4H2O(g)                ΔH°rxn = ΣΔHf°(products) - ΣΔHf°(reactants)              ΔH°rxn = -             ...

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Gases   66) V1 = V2 = 1.00 L          gas1 = N2          gas2 = CH4          T = 273 K          P = 1 atm            ...

Acid Name Acid Ka Base Name Base Kb

Buffers And Acid-Base Titrations   32) = 0.030 M           = 0.025 M       VNH3 = 30.0 mL            Kb(NH3) = 1.8 x...

Energy, Frequency, and Wavelength           1) According to the electromagnetic spectrum, what color has a frequency of 6.95 x 1014...

Mass-Mass Mole-Mole           1) If you want to produce 250. mg of aspirin (C9H8O4) from the reaction of C7H6O3 and...

An Oscillating Spring Mass (m) kg Spring Constant (k) N/m Directions   An oscillating spring is an example of SHM...

Torque And Angular Momentum Vectors A tangential push causes a torque to the left and the angular momentum increases and...

Bond Angles      1) Which of the following has the smallest H-X-H bond angle? (a) PH3 (b) NH4+ (c) C2H4...

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