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Calculate the initial velocity of a reaction in terms of V max if the substrate concentration is 1/2 the Km. Show the calculations.
Calculate the pressure that CCl4 will exert at 53°C if 1.00 mol occupies 34.2 L, assuming that CCl4 obeys the ideal-gas equation; CCl4 obeys the van der Waals equation.
A 1 g sample of C8H16O is burned completely in excess oxygen to yield CO2(g) and H2O(l) at 25 C, releasing 39.28 kJ of energy. What is the enthalpy of formation of C8H16O?
when a antacid tablet dissolves in water the fizz is due to a reaction between sodium hydrogen carbonate nahco3 also
what molar ratio of sodium acetate to acetic acid naachac should be used in preparing a buffer having a ph of 4.35? ka
What is the most likely chemical explanation for the fact that butter is a solid at room temperature while olive oil is a liquid?
When determining the major contributor for a resonance structure, is it better to have a carbocation (positive charge on a carbon but without a complete octet) or is it better to have a positive charge on an electronegative atom like oxygen
Sulfur trioxide dissolve in water, producing H2SO4. How much sulfuric acid can be produced from 13.5 mL of water and 26.1g of SO3?
Calculate the pH of a solution that is 0.25M pyridine, C5H5N and 0.75M in pyridinium bromide, C5NHBr. (Kb for C5H5N= 1.7 * 10^-9)
a brick has a mass of 4.0kg and the earth has a mass of 6.01027g.be sure your answers have the correct number of
in a seperatory funnel you have 2 phases with both liquids being clear and having roughly the same volume. you know one
sodium acetate solution with 0.250MHCl, what will be the pH at the equivalence point? The Ka for acetic acid is 1.8x 10^-5
What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.700 L of 0.180 M NaI. Assume the reaction goes to completion.
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