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In a brief summary, highlight the main points of the Flint Water Crisis. After completing the summary, identify 4 types of chemical reactions that occurred during the crisis, and give one example of each, specific to the Flint issue. Give a balanced equation for each example.
Tuning proton affinity. The pKa of an acid depends part,y on its environment. Predict the effect of each of the following environmental changes on the pKa of a glutamic acid side change.
How is a protein denatured by an organic acid and can you show me a before and after equation of this denaturation
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
Write the balanced equation for reaction between iron (II) and permanganate ion.Equation must balance as to show both mass and charge.
At room temperature, the equilibrium constant, Keq is approximately 3. Calculate the number of moles of reactants and products expected in the equilibrium mixture of this reaction
Problem- If 79.0mL of 0.127 mol/L NaOH(aq) and 50.0mL of 0.189 mol/L HA(aq) are mixed, then what is [HA] at equilibrium? Assume that HA is a weak monoprotic acid with pKa=5.55 at 25oC.
At 25 degrees Celsius, by what factor is the reaction rate increased by a catalyst that reduces activation energy of the reaction by 1.00 kJ/mol
The rate law for the reaction, 2NO(g) + O2(g) -- 2NO2(g), is found to be: rate of reaction=k[NO]2[O2]2 (PLEASE note that the 2's after the concentrations are powers, so we have NO to the power of 2 and O2 to the power of
Calculate the pH at equivalence point when 40.0 ml of 0.50 M aniline is titrated with 30.0 ml of 0.67 M HBr. For aniline Kb=3.8x10exp-10 thanks answer should be pH=2.85
How many moles of nitrate ions are present in a sample that contains 4.82 moles of chromium(III) nitrate, Cr(NO3)3
An unknown gas has been determined to have the empirical formula CH2. At 27°C and 0.966 atm, the gas has a density of 1.65 g/L. What is the molecular formula of this gas
Rewrite the atomic cores in the space below. Place an electron pair between each flourine and sulur core. Write the lewis structure for SF2 in the box, distributing the remaining valence electrons so that all three atoms are in accordance with the ..
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