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Diethyl ether has a deltaH vap of 29.1 kJ/mol and a vapor pressure of 0.703 atm at 25.0 C. What is its vapor pressure at 81.0 C
What volume (in milliliters) of 0.250 M NaOH should be added to a 0.120 L solution of 0.023 M glycine hydrochloride
You can get sunburn on a cloudy day, but you can't get sunburn even on a sunny day behind glass. Explain.
What is the maximum height, neglecting all forms of friction, to which a car of mass 1000 kg an be driven on 1.00 gallon of fuel given that the engine cylinder temperature is 2000 degrees celsius and the exit temp is 800 degrees celsius.
Select the statements that correctly describe the regio- and stereochemical outcome of the hydroboration-oxidation reaction: (A) syn-addition of H-B species; (B) anti-addition of H-B species
If the temperature changes to 89 degrees celsius with no change in volume or amount of gas, what is the new pressure, P2 , of the gas inside the container
Write a balanced equation for the single-replacement oxidation-reduction reaction described, using the smallest possible integer coefficients
at 25 c and 1.0 atm pressure, it is found that 2.24 L of gas weighs 1.56g. The molar mass of the gas is?
The compound malonate is an analog of succinate and is a strong inhibitor of succinate dehydrogenase. The active site of the enzyme will bind to either molecule, however malonate will not undergo any reaction and gets stuck on the enzyme.
A chemist wishes to determine the concentration of CrO42- electrochemically. A cell is constructed consisting of a saturated calomel electrode (SCE) and a silver wire coated with Ag2CrO4. The ° value for the following half reaction is +0.446 V rel..
Why is it preferable to use a metal ion buffer to achieve pM = 7, rather than just dissolving enough M to give a 10-7 M solution?
What is the Cl ? concentration just as Ag2CrO4 begins to precipitate when 2.0 M AgNO3 is slowly added to a solution containing 0.048 M Cl ? and 0.048 M CrO42-
A 4.50-g sample of LiCl at 25.0 C dissolves in 25.0 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C.
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