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Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate.
30.0 mL of 0.150 M CH3CO2H are titrated with 0.150 M NaOH. What is the pH of the solution after 15.0 mL of NaOH has been added. The Ka for acetic acid is 1.80 x 10-5
Working with partition function and entropy what is the ratio of the number of particles in the J= 14 to the J=4 level at a temperature of 1900 K?
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.022 moles of sulfuric acid is mixed with water to make 607 mililiter of solution, what is the molarity of H+.
A chemist wishes to prepare 200mL of a saturated solution of BaF2, the concentration of which is 6.3 x 10-3 mol/L. Determine the mass of BaF2 that will be needed to make up the 200mL of the solution.
Reaction 1 uses 0.260 of reactant, and Reaction 2 uses 0.590 of reactant. How many times faster is Reaction 2 compared to Reaction 1.
The distribution coefficient, k = (conc. in hexanes/ conc. in water), between hexanes and water for solute A is 7.5 . What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction.
Im really confused about spectroscopy and need an introduction on what it is and what these types of problems mean.
The temperature of the H 2 O is 26.55 degree celsius. Determine how much heat is evolved per gram of fuel burned?
Draw the Lewis structure of the conjugate base for the following acid: H2SO4. Remember to include charges and non-bonding electrons where necessary. Use an expanded octet on sulfur to minimize formal charges.
what volume(in mL) of 0.0887 M MgF2 solution is needed to make 275.0mL of 0.0224 M MgF2 solution.
Benzene is a organic solvent with the formula, The volume occupied by 1 micromole of liquid benzene and the volume occupied by 1 megamole of benzene as a vapor at STP (assume an ideal gas)
Determine how many grams will remain in 150 Years If we have 150.000 g of 137Ce now,?
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