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What is the pH of the solution that results from the reaction of 120mL of 0.40 M HF(aq) with 120mL of 0.40 M KOH(aq) at 25 degrees C? Ka for HF is 7.2*10^-4.
Estimate Delta G or this reaction at each of the following temperatures. (Assume that Delta H and Delta S do not change too much within the given temperature range.)
consider the reaction 4nh37o2--gt 4no26h2o. at a certain instant the initial rate of the disappearance of oxygen gas is
How many moles of H+ ions are present in 1.9 L of 0.48 M hydrobromic acid.
Substitution and elimination reactions are competing reactions. Under what conditions can you ensure that substitution will predominate
Sulfur dioxide can be produced in the laboratory by the reaction of hydrochloric acid and sodium sulfite. The skeleton equation for this reaction is: Na2SO3 + HCl --> NaCl + SO2 + H2O
What will be the concentration of all species present, excluding water, when the reaction is at equilibrium?, c) What will be the pH., d) what will be the percent ionization
Identify which of the following are oxidation-reduction reactions, and if they are, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced.
A buffer initially contains 0.10 mol acetic acid and 0.13 mol of sodium acetate in 1.00 L. 0.02 mol of potassium hydroxide is added to the buffer
What volume of concentrated HCl is necessary to completely neutralize the 10 mL of 1.5 M NaOH used?
Two hydrogen atoms interact to form a hydrogen molecule. Classify the following statements that describe the stages of bond formation in a hydrogen molecule according to the predominant force existing between the two hydrogen atoms.
A 100.0-g sample of copper is heated from 10.0°C to 100.0°C. a) Determine the number of calories needed. (The specific heat of copper is 0.0921 cal/goC).
if 6.795 g of alum was produced using the method in this experiment, how many grams of hydrogen gas could theoretically have been produced
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