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A simple of helium gas occupies 5 liters at 22degree C and a gauge pressure of 200,000 pascals. What is the mass of the gas? (The gas constant for helium is 2.08 x 10third power J/kg-K.)
A gas mixture contains 2.50 mol of O2 and 3.00 mol of Ar. What is the molar specific heat at constant pressure for this mixture
Two speakers, one directly behind the other, are each generating a 275 Hz sound wave. What is the smallest separation distance between the speakers that would produce destructive interference at a listener standing in front of them? Assume that th..
An automobile has a total mass of 2200 kg. It accelerates from rest to 70 km/h in 40 s. Assume each wheel is a uniform 44 kg disk. find the total kinetic energy of the automobile
The isotope, tritium, has a half-life of 12.3 years. Assume we have 12 kg of the substance. How much tritium will be left after 26years? State your answer in kg ( two decimal places)
A 0.29 F capacitor is desired. What area must the plates have if they are to be separated by a 3.7 mm air gap
A beaker with a capacity of exactly 100 mLcontains 99.5mL of ethanol at 26?C. at what temperature will it overflow
A double-slit experiment using light of wavelength 580.nm produces an interference pattern on a screen. The slit separation is 1.39?10?2mm. find the distance between the slits and the screen
What is the final angular velocity
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. Find the voltage drop from cathode to anode
Give a definition of "laissez faire" economics. (An economic doctrine that opposes government regulation of or interference in commerce.) Explain why do you think this was the dominant political and legal view in the 1800s and early 1900s?
One runner covered the 100-m dash in 10.9 s. Another runner came in second at a time of 11.4 s, determine the separation between the two runners when the winner crossed the finish line
An electric dipole is formed from +/-4.0 nC point charges spaced 3mm apart. The dipole is cantered at the origin, oriented along the y-axis. What is an electric field strength at point (x,y) = ( 6.0 cm, 0 cm)
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