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If the density of an unknown gas is .0985 g/l at 25 degrees Celsius and 725 torr, calculate the density of the unknown gas at 48 degrees celcius and 740 torr?
At a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600
Use the molar volume of a gas at STP to determine the volume (in L) occupied by 15.1 g of neon at STP.
the percentage yield of nh3 from the following reaction is 85? what actual yield is expected from the reaction of
to 333 milliliters of a 0.120 molar pbno32 solution 0.667 milliliteres of 0.435 molar kio3 is added. calculate the
The solubility of 1-hexanol in water is 0.60 g per 100 g of water at 25 degrees C. What is the maximum amount of 1-hexanol that will dissolve in 7.9 g of water at 25 degrees C
Boron is to be converted into N-type by Phosphorous dopant, so that the resistivity at T = 100 C is 1.2 ohm-cm. all atom are fully ionized. calculate the doping density of Phosphorous and the resistivity of the sample at room temperature
Calculate the theoretical yield of C2H5Cl when 138 g of C2H6 reacts with 244 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
A woman has a metabolic acidosis resulting from an increased hepatic production of ketone bodies. for a patient with this disorder a screening test using the nitroprusside reaction can test for the putrescence of ketones in the blood. which of the..
a mixture contains 76.5 nacl 6.5 mgcl2 and 17.0 na2so4 by mass. what is the molarity of rm cl- ions in a solution
A fixed quantity of gas at 23 celcius exhibits a pressure of 735 torr and a volume of 5.22 L. use boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.88 atm while the temperature is constant
A buffer solution was prepared by adding 4.95 g of sodium acetate (NaCH3CO2) to 0.250 L of 0.150 M acetic acid (Ka = 1.75 x 10-5). a. What is the pH of the buffer
The n.itrogen is converted to N2(g) and collected. given that 350-mg same yields 42.2 ml N2 at STP, calculate the percentage of nitrogen in the sample
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