Calculate the fraction of atoms in a sample of argon
Calculate the fraction of atoms in a sample of argon gas at 365 K that has an energy of 14.0 kJ or greater
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160 mL that contains 400 mg of NH3 and 980 mg of NH4NO3. (Given: Kb (NH3) = 1.8 x 10-5. What is the pH of this solution after 80 mg of NaOH (s) are added?
The second virial coefficient of methane can be approximated by the empirical equation , where a = -0.1993 bar-1, b = 0.2002 bar-1, and c = 1131 K2 with 300 K < T< 600 K. What is the Boyle temperature of methane ?
The driver of a 1730 kg car traveling on a horizontal road at 102 km/h suddenly applies the brakes. Due to a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 21.0% of the weight of the car.
A hypodermic syringe is filled with a solution whose viscosity is 3.5 x 10^3 Pa.s. the plunger cross-sectional area is 12.0 x 10^-5 m^2, and the length of the needle is 0.03m.
The solubility of Cu(OH)2 is enhanced in the presence of oxalate. What is the equilibrium constant for the reaction of solid Cu(OH)2 with aqueous oxalate ion?
A particle undergoes two displacements, measured from the positive x-axis, with counter- clockwise positive. The first has a magnitude of 11 m and makes an angle of 68? with the positive x axis. The resultant displacement has a magnitude of 7.1 m
compressed gas cylinder contains 1.00 x 10^3 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18 C. How much gas remains in the cylinder if the pressure is decreased to 650 psi at a temperature of 26 C?
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