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Solve the all parts of given question:
Question: A physics lecture room has a volume of 237 m3. For a gas pressure of 1.00 atm and a temperature of 26.0 oC,
Part A: Use the ideal gas law to estimate the number of air molecules in the room.
Part B: Assume all the air is N2. Calculate the particle density that is, the number of N2 molecules per cubic centimeter.
Part C: Calculate the mass of the air in the room.I need the right answer and steps of solving this problem. Thanks!
A waiter holds two plates of food in one hand. Hiss forearm has a mass of 2.2 kg and the center of mass of his forearm is located 13 cm from his elbow joint. find the torque produced by the mass of the two plates
A cylinder of gas at room temperature (20°C) has a pressure p1. To what temperature in degrees Celsius would the temperature have to be increased for pressure to be 2.7p1.
A magnifying glass has a focal length of 8cm. How close to an object do you need to place the magnifying glass, What type of image is this and what is its magnification
Assuming a typical efficiency for energy utilize by the body, how many slices of pizza should you eat to walk for 1.0 hr at a speed of 5.0 km/hr ? (Suppose your mass is 68kg.)
in a double-slit interference experiment the wavelength is 478 nm the slit separation is 0.140 mm and the screen is
Suppose you slowly, and at constant speed, lift a book of mass of 1 kg from the floor to a shelf 2 m above the floor. What is the workd by you done on the book
Suppose you throw a rock from an initial height h0 at a speed v0 and angle ? from the horizontal. Neglect drag or friction, Determine the coordinate system and draw a diagram of the trajectory. Draw the free-body diagram and find the net force
An unknown substance has a mass of 0.125 kilogram and an initial temperature of 87.4°C. compute the specific heat of the unknown substance
Suppose a photon with a wavelength of 7155 angstroms strikes ahydrogen anion, which has an electron binding energy of .75419eV.Is this sufficient to cause ejection of the electron? If so, whatwill be the kinetic energy and the deBroglie wavelength..
A scientist changes the frequency of an incident X-ray to 4.50e19 Hz and measures the deflected X-ray frequency of 4.32e19 Hz. What was the angle of deflection
a cylinder is fitted with a piston restrained by a spring. the spring is fully extended exerting no force when the
A steam turbine is designed to have a power output of 9MW for a mass flow rate of 17kg/s. The inlet state is 3Mpa, 450deg C and 200m/s and the outlet state is 0.5Mpa, saturated vapor and 80m/s. What is the heat transfer for this turbine?
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