Determine the number of moles of gas in the vessel
Gas contained in an 8.0L vessel at a temperature of 20 degrees celsius and a pressure of 9.0 atm. Determine the number of moles of gas in the vessel? and how many molecules are in the vessel?
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Neglecting air resistance, calculate the velocity of the ball after 2.97 s. The acceleration of gravity is 9.8 m/s2 .
People use energy at a rate of about 1.5 x 1013 W. Assuming that these numbers are correct, what percentage of the Sun's energy would supply our energy needs?
1. A 1500kg car is traveling along a straight road at 20m/s. Two seconds later, it's speed is 21m/s. What is the magnitude of the net force acting on the car during this time? 2. What are the forces acting on a ascending elevator hanging from a ca
Which of these isolated neutron stars must have had a binary companion? (a) a pulsar inside a supernova remnant that pulses 30 times per second (b) an isolated pulsar that pulses 600 times per second (c) a neutron star that does not pulse at
A 7400 boxcar traveling at 16.0 strikes a second boxcar at rest. The two stick together and move off with a speed of 6.0 . What is the mass of the second car?
Write a 100-word description of each program. You must have one program that exemplifies social structure theories, one that exemplifies social process theories, and one that exemplifies social conflict theories. Include each program's main
Water flows through a horizontal tube of diameter 3.0 that is joined to a second horizontal tube of diameter 1.9 . The pressure difference between the tubes is 7.6. Find the speed of flow in the first tube
A dog pulls on a pillow with a force of 2.4 N at an angle of 20.1? above the horizontal a) What is the x component of this force?
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