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Problem- The solubility of air in water is approximately 2.1x10^-3 M @ 20 degrees Celsius and 1.0 atm. calculate Henry's Constant for air.
I gravely have no idea how to calculate this
How many grams of NO could be formed from a mixture of 44.7 g of NH3 and 42.7 g of O2? 2. How many grams of NH3 would remain?
Calculate the number of photons emitted in one second by a 13 W laser operating at a wavelength of 400.0 nm. photons
How many grams of carbon dioxide would be obtained from the burning of 92g of ethanol in oxygen?
Silicon and germanium are both semiconducting elements from Group 14 in the periodic table, and both can be doped to improve their conductivity.
A backpacker wants to carry enough fuel to heat 2.9 kg of water from 27 degrees C to 100.0 degrees C. If the fuel he carries produces 36 kJ of heat per gram when it burns, how much fuel should he carry? (For the sake of simplicity, assume that the..
Sometimes as a solute dissolves in a solvent, the solute molecules dissociate to some extent; sometimes solute molecules associate to form larger molecular units, such as dimers and trimers
Fourier transform ion cyclotron resonance mass spectrometry yields the highest resolution mass spectra. As an example of the high resolution attainable by this technique
At room temperature (20), milk turns sour in about 65 hours. In a refrigerator at 3, milk can be stored three times as long before it sours. What is the activation energy of the reaction that causes the souring of milk?
What is the equilibrium pH of the solution? Solve by graphical method (draw a log C -pH graph and label the pertinent info, show your charge balance for the equation)
Calculate the number of moles of solute present in each of the following solutions: a)245 mL of 1.50 M HNO3 b) 50.0 mg of an aqueous solution tha tis 1.25 m NaCl c) 75.0 g of an aqueous solution that is 1.50% sucrose by mass
When a sample of oxalic acid (H2C2O4), which is a diprotic acid, is titrated with 0.250 M potassium hydroxide solution, 24.44 mL of the potassium hydroxide solution are required to neutralize the acid. How many grams of oxalic acid where present i..
the half-life of a certain radioactive element is 1250 years. what percent of the atoms remain after 7500
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