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For a hypothetical gas-phase reaction that is second order in A and third order in B, by what factor does the rate change if pA is decreased by 4 times and pB is doubled
Butadiene, C4H6 (used to make synthetic rubber and latex paints) changes into C8H12 with a rate law of rate = 0.014 L/(mol·s) [C4H6]2. What will be the concentration of C4H6 after 2.0 hours if the initial concentration is 0.025 M
The Ksp for PbSO4 = 2.53 X 10-8. What is the molar solubility of PbSO4 in a 4.20M solution of gallium sulfate?
How to calculate the volume of 1.5M aqueous pottasium hydroxide require to react completly with 2g of benzoic acid and extract the solution twice using the volume calculated?
What is the pressure in atmosphere of a gas mixture that consit of 0.2 moles of nitrogen and 0.3 mols of oxygen
given that, for H2C2O4(aq), Ka1 = 6.5 x 10-2 and Ka2 = 6.1 x 10-5. Don't forget that Kw = 1 x 10-14.
The NaHCO3 is the limiting reactant and the HCl is the excess reactant in this experiment. Determine the theoretical yield of the NaCl product.
A sample of vanadium haveing 5.67 grams of mass upon heating combined with oxegen of 4.45gramsto make vanadium oxide. Determine the emperical formula for this compound?
At 500 K, PCl5 decomposes rather extensively into PCl3 and Cl2. If 1.000 moles of PCl5 is placed in a 1 liter box at 500 K, 13.9 % of it decomposes into PCl3 and Cl2. Calculate K for PCl5(g) PCl3 + Cl2
What is an alternative way to draw this molecule? (include the resulting formal charge on the Nitrogen, please)
A substance has a solubility of 350 ppm. How many grams of the substance are present in 1.0 L of a saturated solution.
if you have 430.00 ml of water at 25.00 degrees celcius.and add 100 ml of water at 95.00 degrees celcius, what is the final temperature of the mixture?
the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr and the temperature is 25 degrees C. Calculate the atomic mass of the metal.
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