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The following unbalanced equation represents a reaction that occurs in basic solution: MnO42- + C2O42- ? MnO2 + CO32-. How many moles of OH- are required to balance the equation using the smallest possible integers?
Select all the statements that correctly describe the relative rates of the reactions described below. (I) Sec-butyl bromide reacts faster than isobutyl bromide in aqueous formic acid.
Displays the volume and pH at which equivalence was reached and plots this point on the graph and validates the code by plotting the midpoint using both methods and displaying the volume and pH for both methods in the Command Window.
Calculate the equilibrium concentrations of IO3- and Cd2+. Assume volumes are additive, and the temperature remains constant
how many moles of co(nh2)2 are present in 150 g of water, if the freezing point of the solution is -4.02 degrees c?
Calculate the amoun of NO2 in moles present at equilibrium. Calculate the percentage of the original N2O4 that is dissociated
Which of the following could be the results of the decomposition of the other sample, being consistent with the law of constant composition (also called the law of definite proportions or law of definite composition)?
When one mole of solid NaOH is dissolved in 1L of solution, 44.5kj of heat are released. How much heat is released when 1.00g of NaOH is dissovled in 100.0mL of water?
gaseous CO2 can react with H2O and affect the pH of the solution. Write the balanced chemical reaction that occurs. Use this reaction to describe why solutions of distilled water will test slightly acidic.
If 4.00 g of the unknown compound contained 0.133 mol of C and 0.267 mol of H, how many moles of oxygen, O, were in the sample?
The pressure inside a hydrogen-filled container was 2.10 atm at 21 C. What would the pressure be if the container was heated to 94 C?
Calculate the pH during the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH. First what is the initial pH (before any NaOH is added
find the vapor pressure of water solution in which the molefraction of HgCl2 is 0.163 at 25 degrees celcius.
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