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Explain how the formation of a soap ‘micelle' helps remove dirt and oil in an aqueous environment.
As water is warmed, the solubility of sugar crystals in it *increases *decreases *remains constant *Fluctuates randomly
Calculate the percentage composition by mass of each of the elements in sulfuric acid. Report each of your answers to 4 significant figures
how many joules of heat are needed to raise the temperature of 591 grams of water from 25C to 55C?
A student wants to make a pH 4.0 buffer solution. She decides to use a buffer made from formic acid and sodium formate (NaCOOH).
A 0.140-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium? Assume the formation constant* of Ni(NH3)62 is 5.5 × 108.
At 320.0 K, an equilibrium mixture of NO2(g) and N2O4(g) has partial pressures of 393 torr and 292 torr, respectively. After a quantity of NO2(g) is injected into the mixture, the total pressure jumps to 812 torr.
why is significant serum (in the blood stream) chlorestrol reduction so difficult, and why do most of the drugs designed to reduce
Two volatile liquids (A and B) form an ideal mixture at 300.0K which just begins to boil at a pressure of 0.3000 atm. The vapor pressure of pure component A is 0.5000 atm and the vapor pressure of pure component B is 0.2000 atm
36.45 mL of 0.11 M hydrochloric acid were added to 36.45 mL of 0.098 M aqueous barium hydroxide. Calculate the theoretical yield of the salt produced.
A reaction has a rate constant of 0.00704 sec-1, how long will it take (in minutes) until 0.212 mol/L of the compound is left, if there was 0.619 mol/L at the start
the space shuttle orbiter utilizes the oxidation of methyl hydrazine by dinitrogen tetroxide for propulsion.4 n2h3ch3l
Which one of the following does not react with aqueous sodium hydroxide?
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