Calculate the difference in pressure between methane
15.0 moles of gas are in a 8.00L tank at 24.6°C . Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
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Suppose a 64-kg boy and a 48-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
How many moles of sodium phosphate are required to react completely with 4.6 mol of calcium nitrate to form sodium nitrate and calcium phosphate?
A superhero flies 156 m from the top of a tall building at an angle of 35 ? below the horizontal. What is the vertical component of the super-hero's displacement?
What was the final temperature of the gold if the initial temperature was 22.0°C? The specific heat of gold is 0.129 J/(g·°C).
A carbon resistor is to be used as a thermometer. On a winter day when the temperature is 4.00, the resistance of the carbon resistor is 217.4 . What is the temperature on a spring day when the resistance is 215.8
A 47.0- person takes a nap in a backyard hammock. Both ropes supporting the hammock are at an angle of 16.0 above the horizontal. Find the tension in the ropes.
A 67.0 kg base runner begins his slide into second base when moving at a speed of 3.7 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches the base. How far does he slide?
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