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a 200kg ball is shot from a 2200kg cannon horizontally and positivly at 200m/s. what is the cannons speed, in respect of Earth
A violin string 30.00 cm long and fixed at both ends oscillates in its n = 1 mode. The speed of waves on the string is 280 m/s, What is the wavelength of the emitted sound wave
The heat capacity of the solid lead oxide is given by:Cp = 44.35 J/K/mol + 1.47*10^-3 T J/K^2 Calculate the change in enthalpy of 3.25 mol of PbO(s) if it is cooled from 750 K to 300 K at constant p
Calculate the mass of nitrogen dissolved at room temperature in an 76.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78
A solid spherical mass M2 = 30 kg and radius 20 cm is concentric with a spherical shell M1 = 60 kg, determine the gravitational force on mass m
calculate the final pressure, as well as q, w, ?U, and ?H. the gas is expanded isothermally and reversibly until the volume doubles
A spherical source radiates sound uniformly in all directions. At a distance of 13 m, the sound intensity level is 80 dB. What power is radiated by this source
In an aluminum pot, 0.15 kg of water at 100 degrees c boils away in four minutes. find the temperature at the aluminum-steel interface
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au^2+), each with a mass of 3.27 x 10^-25 kg. Determine the radius of the path
During the isomerization of trans-1,2-dibenzoylethylene C16H12O2 using 95% Ethanol C2H6O , and UV light irradiation. What is the overall equation for this reaction. What is the product.
Calculate the weight of KMnO 4 contained in 2 liters of a 0.15N (not M) solution.
Tell which of the following compounds is likely to have a dipole moment, and show the direction of each.
Reaction of AsCl3 with Cl2 at low temperature yields a product, believed to be AsCl5, which shows Raman bands at 437,369, 295, 220,213, and 3cm-1. Detailed analysis of the 369 and 295 cm-1 bands sho
How many planes of symmetry does a benzene molecule possess. What chloro-substituted benzene of formula C6HnCl6-n has exactly four planes of symmetry
show that the function y=y(x) =Asin(kx) satisfies that equation d^2y/dx^2 = -k^2y if A and k are constants. This is an example of a differential equation.
Two sinusoidal waves of the same period, with amplitudes of 7.0 and 9.0 mm, What is the phase constant of the other wave
Two blocks of weights 70.0 and 100.0 N are connected by as massless string and slide down an inclined plane making an angle of 42.0 deg. find the magnitude of the heavier block's acceleration
When the displacement in SHM is 0.2 the amplitude A, what fraction of the total energy is kinetic energy, What fraction of total energy is potential energy
Define how Pascal's law addresses the pressure in a fluid at different heights (or depths) before addressing the question and would you apply it in this case
A current of 0.80A flows through a copper wire 0.50mm in diameter, How long is the wire in km
Standard Spectrophotometry experiment. I have absorbance, path length (1) and I need to determine the concentration of an unknown based on my calibration cure. I need the Extinction Coefficient. Is
An object is coated with a layer of chromium that is 0.015 cm thick. If the object has a surface area of 15.3 cm squared, how many atoms of chromium are used in the coating. The density of chromium
Two forces act on a 100-kg block resting on the floor. The first force, pointing parallel to the floor, What is the magnitude of the net force on the block
If you stand on a bathroom scale, the spring inside the scale compresses 0.40mm, what does the scale read at its peak