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Air is 20.9% oxygen by volume. Determine the numbers of milliliters of air contains the 175mL of oxygen and the water is 11.2% hydrogen by mass. Calculate what mass of hydrogen is present i
A diffraction grating having 750 slits per mm is illuminated through light which provides a first-order diffraction angle of 34.0. Determine the wavelength of the light in nanometers?
Determine the numbers of 50.0mL syringes could you fill up given the volume of water in the container described above?
When the average force of the floor on the ball is 15 N, determine how long is the ball in contact with the floor?
A particle of 3.0 kg consists of a position vector given by r = 2.0t^2i = 3.0j where r is in meters and t is in seconds. Determine the angular momentum of the particle, in kgm^2/s, about the origin
Determine the final volume of the helium in the balloon when a balloon filled with the 1.2L of helium at 25 degrees Celsius and 0.98atm pressure is submerged in liquid nitrogen at -196 degrees Cels
Determine the distance (in cm) among the common center of the diffraction patterns and the first occurrence of the spot where a dark fringe from one pattern falls on the top of a dark fringe from th
Determine the molar heat capacities at constant pressure and constant volume of the gas given that when the 229J of energy is supplied as heat to 3.00 mol Argon (g), the temperature of the sample i
This tank is filled to its capacity with an aqueous solution made by dissolving 25.5 lb. of solid sodium sulfate (sodium sulfate dissolves completely in water).
Determine the work of expansion accompanying the complete combustion of the 1.0g of glucose to carbon dioxide and (a) liquid water, (b) water vapor at the 20 degrees Celsius when the extern
Determine the magnitude of the frictional force acting on the spherical shell.
Determine the maximum number of electrons that can be emitted if a potassium surface of work function 2.40eV absorbs 3.25x10^-3 J of radiation at a wavelength of 300nm?
Compute the recurrence relation for number of ways to go n miles by fast walking at two miles per hour or jogging at four miles per hour or running at eight miles per hour.
A mixture which is having the 6.75 g of s and 2.11 g of salt. A student attempted to wash the salt out of the sand by adding 5.00mL of water at 19.2 degrees Celsius and then filtering.
A third particle C having mass 75.0 m is to be positioned on the x-axis and near particles A and B. In terms of distance d, determine at what x coordinate must C be positioned so that the total grav
Iron (III) sulfide can be obtained from the reaction of 100 g of iron (III) chloride and 50 g of H2S. Write down a balanced equation. Determine the theoretical yield of iron (III) sulfide in the react
With what velocity should the water stream be launched if it is not to drop more than 2.00 cm vertically on its path to the target?
Determine the number of parts per million (ppm) by mass of mercury in the air? The saturated vapor pressure of mercury is having 0.0020 mmHg at 300 K and the density of air at 300 K is 1.18 g / L.
The sample of 115 individuals in executive, administrative, and managerial occupation will be chosen. Find probability that sample mean will be greater than $27?
Assuming that all the strontium can be recovered determine the numbers of grams of strontium could be obtained from one cubic meter of sea water?
A 1.60 long FM antenna is oriented parallel to the electric field of the EM wave. Determine how large should the electric field be to generate a 1.15- (rms) voltage among the ends of the antenna?
Acetylene and ethane are two gaseous hydrocarbons. The Chemical analyses show that in one sample of acetylene, 4.56g of carbon are combined with 0.383g of hydrogen and one sample of ethane, 2.6
If 63% of the mass of pyrolusite is due to manganese, determine the empirical formula of pyrolusite when the mineral pyrolusite is a compound ofmanganese-55 and oxygen-16.
The two sources A = 2.16W and B = 6W are generating a frequency of 165 Hz in phase. A listener 3m from A and 5m from B if both the speakers are on. Determine the intensity at the listener's position
Determine the numbers of hydrogen atoms do you think this molecule contains if the dimethyl ether is a compound composed of two carbon atoms, one oxygen atoms, and several hydrogen atoms.