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The volume of an automobile air bag was 66.8 L when inflated at 25 °C with 77.8 g of nitrogen gas. What was the pressure in the bag in kPa?
Vitamin b6 is needed in the metabolism of amino acids. When it binds to an enzyme it forms a complex with the e-amino group of lysine, which is a primary amine.
Consider the synthesis of methane from hydrogen gas and carbon at 1370mmHg and 450 C.
When a sample of H2S(g) (9.811 mol) is placed in 180.0 L reaction vessel at 724.0 K and allowed to come to equilibrium the mixture contains 0.01627 mol/L of S2(g). What is the equilibrium concentration (mol/L) of H2S(g)? 2H2S(g) = S2(g)+2H2(g)
Dry air at 1.0 atm is passed over a high voltage electric discharge (~15,000v) to convert 0.85% O2 to O3. The ozonized air is then euilibrated withwater at 25 degrees celcius in a vessel which contains
One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of ammonia to nitric oxide.
A semipermeable membrane is placed between the following solutions. Which solution will decrease in volume. Solution A: 1.31% (m/v) starch Solution B: 7.48% (m/v) starch
The specific heat of water is 1.00 cal/(g x °C); the heat of fusion is 80.0 cal/g; and the heat of vaporization is 540.0 cal/g.
Polymers question: Why is the rebound height of silicone bouncy balls reduced the more you add ethanol?
A and B mix to form an ideal solution.what is the Gibbs energy of A in the solution as compare to the Gibbs energy
You wish to prepare an HC2H3O2 buffer with a pH of 5.44. If the pKa of this is 4.74, what ratio of C2H3O2-/HC2H3O2 must you use. Calculate the pH of a buffer that is 0.058 M HF and 0.058 M LiF.
What accelerating voltage is required to pass a N O +3 molecule through the exit slit of a magnetic sector mass spectrometer if the magnet has a field strength of 0.240T and the radius of curvature
Consider the hydrogen cyanide molecule, HCN. If we orient this linear molecule so it is along the x axis, what orbitals on carbon are involved in the formation of the sp hybrid?
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