A sample of gas at a pressure of 121.59 kPa, a volume of 31 L, and a temperature of 360 K contains how many moles of gas?

A. 0.71 mol

B. 0.96 mol

C. 1.3 mol

D. 1.8 mol

How is velocity and instantaneous speed alike

A pneumatic system consists of several identical 1.5 inch diameter cylinders to lift 450-pound pallets in a warehouse. the gauge pressure in the system reservoir remains at 75 psi, and the atmospheric pressure is 14.7 psi.

While sitting on a dock of the bay, you notice a series of waves going past. You observe that 11 waves go past you in 45 s and that the distance from one crest to the next trough is 3.0 m. Part A Find the period of these waves.

Suppose the gravitational acceleration on a certain planet is only 4.0 m/s2. A space explorer standing on this planet throws a ball straight upward with an initial velocity of 24 m/s. Assume that upward direction is positive.

A spinning tossed baseball veers off course in the direction ofA) reduced air pressure on the ball. B) increased air pressure on the ball. C) non-crowded streamlines.

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.

How are trade winds affected by the coriolis effect