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Food enzymes can significantly accelerate relevant chemical reactions because the enzymes can: (circle the correct answer)
a. Lower activation energy of the reaction;
b. Facilitate to dissolve the reactants;
c. Break down itself into small peptides;
d. Connect the reactants together
What is the answer to this question?
1. Consider the solubility rules and identify all of the spectator ions when the following chemicals react: A) lead (II) nitrate and ammonium chloride B) Barium bromide and potassium carbonate. You must show all work (equations) clearly and in det..
Find the fraction of association of 0.100 molar solution of Hydrazoic Acid. Ka = 2.20x 10^-5.
A 6.0 g sample of [Ni(H2O)6]Cl2 is dissolved in aqueous solution. If an excess of ethylenediamine is added to the solution, solid [Ni(en)3]Cl2*2H2O forms. What is the theoretical yield of product from the reaction
The mole fraction of O2 in the air is 0.2094, and the mole fraction of N2 is 0.7809. Calculate the density of air at 25 degree celcius and the pressure is 1.00 atm.
Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which depicts the type of substitution which occurs. Explains how this mechanism accounts for the relative rate of reactivity of 1°, 2°, and 3° halides in this rea..
Two solutions of an unknown slightly soluble salt, A(OH)2, were allowed to equilibriate- one at 25 degrees C, the other at 80 degrees C. A 15 mL aliquot of each solution is tiotrated with .200 M HCl. 8 mL of the acid is required to reach the endpo..
which of the following ionic compounds are soluble in water and which are insoluble: a)KCl. b)MgSO4. c)CuS. d)AgNO3. e)Ca(OH)2
At 800 k, Kc for the following equalibrium is 4.2 x 10 ^-3. 2HgO(s) 2Hg(l) + O2(g), suppose 96.5 g of mercury(ll) oxide is placed in a sealed 3.50 vessel at 800 k. What is the partial pressure of oxygen gas at equalibrium
If you wanted to prepare a solution of CO in water at 25 degrees celsius in which the CO concentration was 2.2 mM, what pressure of CO
write the formula of the reactants and products-including the symbols for the state- s l g aq- then balance the
The heat from an acetylene torch is produced by burning acetylene (C2H2) in oxygen. 2C2H2(g) + 5O2(g) ------------> 4CO2(g) + 2H2O(g) How many grams of water can be produced by the reaction of 2.40 mol C2H2 with 7.40 mol O2?
insulin normally activates a phosphatase that causes dephosphorylation of proteins including enzymes. but what if a
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