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Nitrogen and oxygen from an extensive series of oxides with the general formula NxOy. What is the empirical formula for an oxide that contains 46.68 % nitrogen ?
A biochemist is trying to purify the enzyme hexokinase from a bacterium that normally grows in the Arctic Ocean at 5C. In the next lab
A mole of CH4 expands reversibly from 1 to 50 L at 25 degrees Celsius. Calculate the work in Joules assuming 1) the gas is ideal and 2) the gas obeys the van der Waals equation. For CH4 (g), a = 2.283 L^2 bar mol^-2 and b = 0.04278 L mol^-1
what mass of salicylic acid is needed to produce one extra strenght tablet of aspirin if the reaction has 60 yield.
Pretend that an electron performs 1D motion in the field of the proton so that it's wavefunction is psi(x)=cos(x/a), where a=0.5 Angstrom.
What is the volume occupied by 25.6 g of argon gas at a pressure of 1.41 atm and a temperature of 411 K?
the calculation of the Ksp value be affected if the endpoint of titration was surpassed (i.e. too much HCl was added)?
The following data were collected at the endpoint of a titration performed to find the molarity of an HCl solution. Volume of acid (HCl) used = 14.4 mL
Important information about Organic Oxygen Compounds, Can an ether molecule be made out of a methanol or ethanol molecule? Why or why not?
What is the value of Kf for acetic acid, given that its freezing temperature is 16.6 C and its density is 1.049 g/mL? Experiments show that a solution prepared by dissolving 5.00 grams of water
Discuss any differences between your qualitative determination of relative reduction potentials and the quantitative results
You have 250.0 mL of 4.00 M sugar solution. You add 319.7 mL of water to this solution. Determine the concentration of the sugar solution after the water has been added.
The pH of a saturated solution of nickel hydroxide, Ni(OH)2, is 8.83. Calculate the Ksp for nickel hydroxide.
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