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- (a) If the partial pressure of water vapor is 8.05 torr, what is the dew point? (760 torr = I atm 101, 325 Pa) (b) On a warn day when the air temperature is 35 and the dew point is 25 , what are the partial of the water in the air and the relative humidity?(a) Find the density in SI units of air at a pressure of 1.00 atm and a temperature of 20 , assuming that air is 78% N2, 21% O2, and 1% Ar, (b) Find the density of the atmosphere on Venus, assuming that it's 96% CO2 and 4% N2, with a temperature of 737 K and a pressure of 92.0 atm.Review, (a) H it has enough kinetic energy, a molecule at the surface of the Earth can escape the Earths gravitation in the sense that it can continue to move away from the Earth forever as discussed in Section 13.6. Using the principle of conservation of energy, show that the minimum kinetic energy needed for escape is m0gRE where m0 is the mass of the molecule, g is the free-fall acceleration at the surface, and RE is the radius of the Earth, (b) Calculate the temperature for which the minimum escape kinetic energy is ten times the average kinetic energy of an oxygen molecule.
- One Helium atom weighs 26.2 X 10-7 kg. How many He atoms would weigh 262 kg O a. 10° О. 107 Oc 10- O d. 10-7A bicycle tire has a pressure of 6.95 × 105 Pa at a temperature of 16°C and contains 2.00 L of gas. a)What will its pressure be, in pascals, if you let out an amount of air that has a volume of 105 cm3 at atmospheric pressure and at the temperature of the tire? Assume tire temperature and volume remain constant.Calculate the magnitude of the tension T and the angle 0 for which the eye bolt will be under a resultant downward force of 15.8 kN. Assume F = 5.8 kN, P = 8.6 kN, = 33° T e F P 27°C Mostly cloudy
- A bicycle tire has a pressure of 6.75 × 105 Pa at a temperature of 19°C and contains 2.00 L of gas. a) What will its pressure be, in pascals, if you let out an amount of air that has a volume of 110 cm3 at atmospheric pressure and at the temperature of the tire? Assume tire temperature and volume remain constant.The absolute pressure in your car tires is 3.3 × 105 Pa at a temperature of 35.0°C when you drive it onto a ferry boat to Alaska. -What is the absolute pressure of the tires, in pascals, later when the temperature has dropped to -40.0°C? Assume the volume of each tire does not change.Super Invar, an alloy of iron and nickel, is a strong material with a very low coefficient of thermal expansion [0.2×10-6(C˚)-1]. A 2.0m long tabletop of this alloy is used for sensitive laser measurements where extremely high tolerances are required. How much will this alloy table expand along its length if the temperature increases 5.0˚C?
- PHET Density X Assignme x → Topic9Wri x y! A diver st X Ⓒ File | C:/Users/marko/Downloads/Topic8WrittenPortion_6_7.pdf Netflix Party - Chro... 90°F Sunny Topic8WrittenPortion_6_7.pdf 1 2 3 Assignments M Gmail D YouTube → Maps A diver st X Netflix CA steel ba x Netflix 1 2/3 | Chegg.co X Log In | TherapyPor... | Topic8W x 100% + | A y! A child's 1 > DELL y! A child's t X A child's toy has a solid plastic disc of radius 10cm that can be rotated about its center. Child A applies a force of 30N tangent to the edge of the disc to cause it to rotate counter clockwise. Child B also applies a force of 20N tangent to the edge of the disc to cause it to counter clockwise. The net torque applied to the disc causes an angular acceleration of 8.33rad/s^2. a) What is the moment of inertia of the solid plastic disc? (answer: 0.6kgm^2) b) What is the mass of the solid plastic disc? (answer: 120kg) C The absol X + I ➡I 0 Q.1 7:23 PM 7/19/2022 x : ⠀A student cramming for their final exam heats up 0.500 L of cold coffee in a Pyrex carafe. The carafe is filled to the brim with the coffee and both are initially at 20.0 degrees celcius. Once the temperature of both the coffee and the carafe have risen to 95.0 degree Celcius, how much coffee has spilled out? Given that the carafe is an isotropic solid, and that the coefficient of linear thermal expansion for Pyrex is: 3.3 x 10^-6 K^-1 and that the coefficient of volume thermal expansion for water (coffee) is 207 x 10^-6 K^-1.The number density of gas atoms at a certain location in the space above our planet is about 1.1 × 1011 m-3, and the pressure is 2.55 × 10-10 Pa in this region. What is the temperature in this region, in degrees Celsius?
