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Four protons and four electrons are located inside a pyramid and are separate from each other, What is the net value of electric flux through the surface of the pyramid
If you are given a 0.33 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced
The air inside a bicycle tire pump has 151 joules of work done on it as 70.7 joules of heat is conducted away from it
Calculate the solubility of Ag2CrO4 in grams per liter under following conditions (the solubility product constant for silver chromate is 1.1 x 10-12)
A subway train starts from rest at a station and accelerates at a rate of 1.56m/s2 for 13.7s, Find the total distance covered
Take element Z = 57 from the periodic table. Ionize it 56 times so that there is only one electron left orbiting around the nucleus. What is the ground state energy of the electron
Calculate the amount of Pd that can be electroplated from a solution of Pd(II) ions with a current of 1.40 amps for 3.00 hours.
A bungee cord is stretched between two poles with a force of 447 N, What is the velocity of a wave on this bungee cord
Determine the number of electrons transferred in the following reaction when it is correctly balanced.
A 0.031 kg aluminum bullet traveling at 471 m/s strikes an armor plate and comes to a stop, what is the bullet's temperature change in degrees Celsius
A photon having E = 46.9 keV energy scatters from a free electron inside a metal. What is the maximum energy the electron can gain from the photon
What is the wavelength of the most energetic photons produced by an X-ray tube using U = 24.3 kV potential difference
You have a string with a mass of 0.0131 kg. You stretch the string with a force of 9.31 N, giving it a length of 1.89 m, What is the wavelength of the standing wave you create in the string
The temperature of the cosmic background radiation is measured to be 2.7 K. What is the wavelength of the peak in the spectral distribution at this temperature
A non-isotropic two-dimensional solid has a coefficient of linear expansion alone one axis equation to A and along a perpendicular axis equation to B
From this statement alone, can you conclude that the solution is acidic? If not, what additional information would you need
Why does the tertiary amine -TRIETHYLAMINE have a much lower boiling point than 1-hexanamine, (its primary amine isomer)?
A 5.0V potential difference is applied between the ends of a 0.80mm -diameter, 90cm -long nichrome wire, What is the current in the wire
Which compounds reacted only with AgNo3 in ethanol. Why. Did any compounds appear not to react under either condition, even when heat was added ? Explain, for each compound, why it might not react b
A moving sidewalk 95 m in length carries passengers at a speed of .53 m/s. One passenger has a normal walking speed of 1.24 m/s, If she walks at her normal walking speed on the sidewalk, how long does
Why does the nitrogen atom of NH2 (and not the nitrogen atom of the NH) group of phenyl hydrazine act as the nucleophilic site in the format ion of the phenylhydrazones.
There are two protons of a helium atom seperated by 1.00e-15m, If the protons were allowed to move, what would be their initial acceleration due to the electric force between them
What were the important changes to immigration from 1960 to the present? What changes in laws affected/affect immigrants?
Was the realization of the conservative goals of the Reagan administration good for the United States? Why/why not?
The acceleration of a bus is given by ax(t)=?t, where ? = 1.26m/s3 is a constant, If the bus's position at time t1 = 1.12s is 6.01m , what is its position at time t2 = 2.13s