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What volume of 0.250 M NaOH (aq) is required to titrate 25.0 mL of 0.385 M H2SO4 (aq)?
what is the solubilty of O2 at an elevation of 12, 000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25 degrees celsius, and that the mole fraction of O2 in air is 0.209 at both 12, 000 ft and at sea level.
Question- A 13.0g sample of granite initially at 80.0 degree C is immersed into 27.0g of water initially at 20.0 degree C. What is the final temperature of both substances when they reach thermal equilibrium? For water, Cs=4.18J/degree C and for g..
A balloon has a volume of 10,500 liters, and the temperature is 15C. If the temperature were -25C, what would the volume of the balloon be.
What is the uncertainty of the position of the bacterium. The E. coli bacterial cell has a mass of = 0.500 (where a femtogram,fg , is 10^-15 g) and is swimming at a velocity of v = 9.00 um/s, with an uncertainty in the velocity of 8.00 %. E. coli b..
The photon emitted or absorbed during an electronic transition between n = 1 and n = 2 in a hydrogen atom has a wavelength in the ultraviolet portion of the electromagnetic spectrum and an energy that is greater than a similar electronic transitio..
When white phosphorous (P4) is heated above 1100 K, the following equilibrium is observed in the gas phase P4 ? 2P2 b. The equilibrium constant has been measured as a function of temperature for this reaction
If this is a sn2 reaction, why isn't the stereochemistry inverted? Why isn't the answer B? My professor chose A as the correct answer. Thanks
Weight 8.916 g CoCl2. 6H2O and dissolve it in 250 mL volumetric flask. Calculate the molarity of the CoCl2 solution prepared. Molecular weight of 6H2O= 237.9908g/mol
What is the composition in mole fractions of a solution that has a vapor pressure of 30. torr at 20°C? X C6H6 and X C7H8. What is the mole fraction of benzene in the vapor above the solution described in part (a)?
Determine the solubility product constant for silver fluoride at this temperature. It is not what is listed on the chart on page 773 because that chart is only for use at 25 deg C.
How far below earths surface would you have to dig to experience an acceleration due to gravity of 10.025m/sec2
carbonyl sulfide cos is a trace component in the atmosphere. one difficulty in studying chemical reactions of this
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