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Consider the gas phase equilibrium, N2 + 3 H2 ↔ 2 NH3 . For this reaction, ΔGo = 50 kJ at 400 oC.
What is the value of the equilibrium constant, K, at 400 C? (Note: Give value in non-scientific notation, use decimals.)
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C.
a 42 gram block of an unknown metal at 86.0oc was dropped into an insulated flask containing approximately 50.0 grams
The fuel value of hamburger is approximately 3.6 kcal/g.if a man eats 1 pound of hamburger for lunch and none of the energy is stored in his body,estimate the amount of water that would have have to be lost in perspiration
Formic acid (HCO2H, Ka=1.8X10^-4) is the principal component in the venom of stinging ants. What is the molarity of a formic acid solution if 25.00 mL of the formic acid solution requires 29.80 mL of 0.0567 M NaOH to reach the equivalence point
Two particles with charges q1 and q2 are separated by distance d. Rank these scenarios according to the magnitude of the electrostatic (coulombic) potential energy.
An enzyme-catalyzed reaction produces a product that has a maximum absorbance at 412nm. The extinction coefficient is 4000M^-1cm^-1, A l0 to-l dilution of the enzyme is made and 20 u.L of the dilution are put into a cuvette with 80 ul of water and..
Nitrogen dioxide and water react to produce nitric acid HNO3 and nitrogen monoxide.
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.
joseph priestley discovered oxygen in the eighteenth century by using heat to decompose mercuryii oxide2 hgos heat
The decomposition of nitrogen dioxide is a second-order reaction. At 550 K, a 0.250 M sample decomposes at the rate of 1.17 mol/Lxmin a). Write the rate expression?
Identify the reaction conditions required for the dehydration of 2,3-dimethylpentan-2-ol to occur. Select all that apply. Select all that apply. Heat Base catalyst Excess Acetone Platinum catalyst Acid catalyst
What [hkl] direction connects the adjacent face-centered positions 1/2, 1/2, 0 and 1/2, 0, 1/2? Illustrate answer with a sketch.
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