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An enzyme has a maximum velocity of 48 nmoles substrate converted per sec. In the presence of 4 microM inhibitor, Vmax is 36 nmoles substrate converted per sec with no change in Km. Determine the Ki of the inhibitor. What type of inhibitor is this?
The ratio of oxygen (Oxygen-16 and Oxygen-18) isotopes is measured and used to determine the approximate temperature during the time that part of the ice core was formed. This method is one example of a proxy. In a few sentences, explain what a pr..
Write equations for the reaction of each of the following with (1) Mg in ether followed by (2) additione of D2O to the resulting solution:
Balance the following reaction, which occurs in acidic aqueous solution, using the smallest possible integer coefficients and adding H+ and H2O as necessary
The equilibrium constant for thr hypothetical reaction below is Kp=0.113 at 25.0 oC. A2(g) + B2(g) 2AB(g) An experiment is carried out at 25oC with an initial mixture in which P(A2)=1.0atm and P{B2}=1.0atm. What is the equilibrium partial pressu..
Assume no heat is lost to the surroundings. The normal boiling point of methane is -161.5 C. The specific heats of liquid and gaseous methane are 3.48 and 2.22 J/g.K, respectively. A)liquid B)gaseous C)solid
Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?
A dry cleaning solvent with a molar mass of 146.99 grams/mole that contains C, H, and Cl is suspected to be a cancer causing agent. When a 0.250 gram sample was studied by combustion analysis, 0.451 grams of CO2 and 0.0617 grams of H2O was formed...
What minimum pressure must be supplied to a reverse osmosis water purification system in order to overcome the osmotic pressure in water that is 1.24 M in total dissolved ions at 16 C?
The addition of H2 to C=C double bonds is an important reaction used in the presentation of margarine from vegetable oils. If 50.0ml of H2 and 50.0ml of ethylene (C2H4) are allowed to react at 1.5atm, the product ethane (C2H6) has a volume of 50.0..
What effect does the presence of lone-pair electrons have on the bond angles and the geometry of a molecule?
C2H2 (g)+ O2(g)---- CO2(g)+ H2O(g). 2.50g of oxygen reacted by the above unbalanced reaction. how many grams of carbon dioxide formed
The volume of the base required to neutralize the acid was 47.14 mL. Aqueous silver nitrate was then added to precipitate the Cl- and Br- ions as AgCl and AgBr. The mass of silver halides obtained was 0.9974 g. What are the molarities of HCl and H..
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