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The molecular mass of helium is 4 g/mol, the Boltzmann's constant is 1.38066×10^?23J/K, the universal gas constant is 8.31451 J/K· mol, and Avogadro's number is 6.02214×10^23 1/mol. Given: 1 atm =101300 Pa.
How many atoms of helium gas are required to fill a balloon to diameter 21 cm at 53?C and 0.584 atm?
What is the average kinetic energy of each helium atom?
A radar antenna is tracking a satellite orbiting the earth. At a certain time,the radar screen shows the satellite to be 162 km away.The radar antenna is pointing upward at the angle of 62.3 degrees from the ground.find the x and y components(in k..
One of the moons of a planet orbits at a distance of 9375 km from the center of the planet. what is the period of the moon
what is the minimum work by the force p to move the 8-kg block to the top of the incline of uk0.4? compare this with
A coil of wire containing N turns is in an external magnetic field that is perpendicular to the plane of the coil and it steadily changing, what will be the induced emf in the coil
Mars has a mass of 6.4*10^23 kg and radius of 3,400,000 m. find the acceleration due to the gravity on Mars
A negatively charged particle moving at 45 ? angles to both the y -axis and z -axis enters a magnetic field, What is the initial direction of deflection?
A 500-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths in a place perpendicular to the manetic field
After being kidnapped and placed in the trunk of a car, you discover you are able to pry open the trunk. What was your average acceleration during this trip
A fluid with resistivity 9.40 ? seeps into the space be¬tween the plates of a 110-pF parallel-plate air capacitor. what is the resistance between the plates
Four point charges, q, are fixed to the four corners of a square that is 10.3 cm on a side. What is the magnitude of each fixed charge in coulombs
q1. a planet of mass 8 times 1024 kg is at location lsaquo -4 times 1011 7 times 1011 0 rsaquo m. a star of mass 7
How long is the rocket in the air?
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