What is the volume of gas in the balloon
A balloon containing 5.7 dm3 ofgas at 14°C and 100.0 kPa rises to an altitude of 2000 m, wherethe temperature is 20°C. The pressure of gas in the balloon isnow 80.0 kPa. What is the volume of gas in the balloon?
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Briedfly describe the model for the mechanism by which atomsabsorb light energy. Then indicate how the moel is related to thefact that atoms absorb energy of only specific quanta.
A 6300-kg satellite is in a circular earth orbit that has a radius of 3.0 x 107 m. A net external force must act on the satellite to make it change to a circular orbit that has a radius of 8.3 x 106 m. What work must the net external force do?
How much water will be discharged in liters per minute by centrifugal pump with 200 mm discharge and velocity of boiler feed water at the discharge opening of 3 m/sec.
Consider light that is refracted by a prism shaped like an equilateral triangle. The incident ray is parallel with the prism's base. what is the total deflection of the ray, given that the index of refraction of the prism material is 1.50?
Find (a) the mass of air in Kg, (b) final pressure P2 in kPa, (c) temperature T2 in K, and (d) work W in kJ. Use the fact that the universal gas constant is Ru = 8.314 kJ/kmol-K
A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 598 N. As the elevator later stops, the scale reading is 392 N. Assume the magnitude of the acceleration is the same during starting and stoppi
In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The speed of the electron is approximately 2.46 x 106 m/s. (a) Find the force acting on the electron as it revolves in a circular orbit of radius 5.34 x 1
The entire apparatus is well insulated. The valve is then opened and the system comes to equilibrium. What is the temperature of the helium?
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