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Question
What is happening on a molecular level when NaOH solution and KHP are combined? Also, what happens when phenolphthalein is added and why exactly does the color change?
aspartame c14h18n2o5 is a solid used as an artificial sweetener. its combustion produces carbon dioxide gas liquid
Question- The Kb for an amine is 9.192 X 10^-5. What percentage of the amine is protonated if the pH of a solution of the amine is 9.360. (Assume that all OH came from the reaction of B with H2O.
what amount of solid naoh must be added to 1.0l of a .10 m h2co3solution to produce a soln with h 3.2 x10-11m? there
An aqueous copper(II) sulfate solution is electrolyzed for 3 hours with a 1.8 ampere current
What mass of sucrose (C12H22O11) should be combined with 500 grams of water to make a solution with an osmotic pressure of 8.70 atm at 295 K
With what minimum speed must Fran leave the ground in order to lift her center of mass 1.95 m and cross the bar with a speed of 0.70 m/s?
consider this reaction. caco3 s -gt cao9s co2 gwhat mass of caco3 will produce 8.0 l of co2 measured at standard
If 29.1 mL of 0.4 M NaOH is used to reach the endpoint when titrating 20.1 mL of acetic acid, what is the concentration of the acetic acid in moles/L
45 mL of 0.016 M NaOH are added to 37 mL of 0.035 M HCL. The acid and base react to form NaCl and water. Assuming that the total volume of the mixed solution is 82 mL, compute the molarity of the final HCL solution.
To change 150 grams of B from a liquid at 89.3 °C to a gas at 89.3 °C will require how many joules?
Draw a structural formula that you would predict in aspirin in each of the following biological environments. a. Esophagus pH 6.8
estimating the thickness of a membrane by using bond distance.the carbon-carbon bond distance for single-bonded carbons
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