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A tank of argon gas has a volume of 0.0160 m3. The gas has a pressure of 5.00 atm and a temperature of 293 K. Find the final temperature and volume of the gas
An Atwood system which has two masses, m1 = 2 kg and m2 = 2.1 kg. What is the net force on this system
A car with its parking brake on starts sliding down an extremely slippery icy h=6 m high embankment into a level snowy muddy field with a coefficient of kinetic friction of 0.8
Two parallel wires 10 cm apart carry currents of 18 A. What is the magnetic force between two wires for both case
Intense white light is incident on a diffraction grating that has 720 lines/mm. What is the angular separation between the violet edge (400 nm) and the red edge (700 nm) of the first order spectrum p
A wastewater disposal well for carrying various wastes at different times is drilled into a formation of limestone (CaCO3), and the wastewater has time to come to complete equilibrium with the calci
For a solution having 1.00 X 10^-3 equivilants/L total alkalinity (contributions from HCO3-, CO3^2-, and OH-) at [H+] = 4.69 x 10^-11, what is the percentage contribution to alkalinity from CO3^2-
A concave mirror produces a virtual image that is seven times as tall as the object. What is the focal length of this mirror
A gasoline engine absorbs 4190 J of heat and performs 3170 J of mechanical work for each turn of the engine shaft
Calculate all the preceeding concentrations and the weight of biomass, {CH2O}, produced. Assume no input of atmospheric CO2.
Water with an alkalinity of 2.00 X 10^-3 equivalents/L has a pH of 7.00. Calculate [CO2], [HCO3-], [CO3^2-], and [OH-].
For each molecule, identify the central atom, the steric number on the central atom, the number of bonded electron pairs on the central atom, and the number of lone pairs on the central atom.
A sample of wood from an archaeological excavation is dated by using a mass spectrometer to measure the fraction of 14C atoms. What is the wood's age
Electrons are accelerated from rest through a potential difference of 350 V and then enter a uniform magnetic field that is perpendicular to the velocity of the electrons. Estimate the period of thi
Determine the minimum wavelength of light necessary to overcome the work function of the following metals
The black hole at the center of the Milky way galaxy is estimated to contain about 4 million solar masses. (msun= 2 x 1030 kg), What is the Schwarzchild radius of our galaxy's black hole
Silicon Carbide (SiC) is a ceramic material with the so-called zinc blende crystal structure. It can be constructed from the FCC unit cell using a two-atom basis consisting of a Si atom at (0,0,0) a
Two pendula of equal length b and equal masses m connected by a spring of force constant k. Write the Lagrangian for the system, and use it to derive the equations of motion of the system
A 20 mg sample of a compound is dissolved in 5.0 ml of water and extracted with 2.5 mL of heptane.After separation of the layers, the heptane layer is found to contain 15 mg of the compound. What is
a series RLC circuit contains a resistor of 20 ohms, a capacitor of 0.75 mF and an inductor of 120mH, what is the rms current operating at its resonance freq.
If the partition coefficients for the DCM/water and DCM/bicarbonate systems were different, what was the reason
Assume an organic compound has a partition coefficient between water and diethyl ether equal to 9.00. If there are initially 5.00 grams of the compound dissolved in 100.0 mL of water,
A Ge semiconductor has a gap of 0.7 eV between the valence and conduction band. What fraction of the electrons are in the conduction band
using a rope, a child pulls a box across a rough floor at constant speed. The tension in the rope is 105 N and the rope makes an angle of 37 with the horizontal. Find the friction force acting on th
If all of the below solutions are 0.5M in each of the compounds, what is the concentration (M) of each ion in solution