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In writing the chemical formula of a compound such as Al2O3, the following statement is a true relationship between the Al and O atoms:
a. Al and O share equal number of electronsb. Al donates 3 electrons and O donates 2 electronsc. Each Al donates 3 electrons and each O accepts 2 electronsd. Al accepts 4 electrons and O accepts 6 electrons
Explain using the Michaelis-Menten model the reasonsing behind the net effect of an irreversible inhibitor on the enzyme's substrate affinity and rate of product formation?
How much heat would be given off per mole of NaOH if 4.6g of NaOH dissolves to give off 755J of heat? b)How many grams of NaOH are needed to produce 88 kJ of heat
Assuming the reduced mass associated with the stretch equals the mass of the hydrogen atom, preduct the frequency of the C-D stretch of CDCl3
After 52.0 min, 18.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics
The overall equilibrium involves Ksp, Ka3 of phosphoric acid and Kw. Construct the constant and show the three equations that apply.
The flask was then shaken until the solution was uniform. A 45.0 \rm mL sample of this glucose solution was diluted to 0.500 \rm L. How many grams of glucose are in 100. \rm mL of the final solution
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) In a certain experiment, 4.30 g of NH3 reacts with 7.48 g of O2. Which is the limiting reactant?
stationary phase thickness on the inner wall of 0.76 ?m passes unretained solute through in 65 s. A particular solute has a retention time of 403 s. What is the partition coefficient for this solute?
What volume of .305M AgNO3 is required to react exactly with 155mL of .274M Na2SO4 solution
NaOH is added to 625 mL of 0.250 M weak acid (Ka = 5.62 × 10-5). What is the pH of the resulting buffer?
some people said that the precipitate disappeared and the solution went back to a bright orange/yellow clear colour, what is the chemical equation that describes both these reactions,
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