Describe how a 1.0 M solution of hydrochloric acid is prepared
One mole of hydrochloric acid, HCl, has a mass of 36 g. Adding this amount of HCl
to enough water to make exactly 1 L of solution produces a 1.0 M solution.
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A cylinder contains 24.0 moles of an ideal gas at a temperature of 300 K. The gas is compressed at constant pressure until the final volume equals 0.63 times the initial volume
The molar heat capacity at constant volume of the gas is 24.0 J/mol • K and the ideal gas constant is R = 8.314 J/mol ? K. The change in the internal (thermal) energy of the gas is closest to A) -64 kJ. B) -86 kJ. C) 64 kJ. D) 86 kJ. E) -22 kJ.
Phobos is the smallest moon of Jupiter
Indicate whether the statement is true or false
A boxcar of mass 125 tons at rest becomes uncoupled on a 2.0° grade. If the track is considered to be frictionless, what speed does the boxcar have after 9.0 seconds?
a. 4.0 m/s b. 0.038 m/s c. 31 m/s d. 3.1 m/s e. 0.31 m/s
The ratio of the mass of object A to the mass of object B is 2:1 and the ratio of their speeds is 1:2 in the same order. What is the ratio of their kinetic energies?
A) 1:2 B) 2:1 C) 3:1 D) 1:3 E) 1:4