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A sample of a gas occupies 1.40 x 103 mL at 25oC and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg?
in the experiment of recrystallization of naphthalenewhat is the additional step should be added to this procedure to
What amount of solid NaOH must be added to 1.0 L of a 0.13 M H2CO3 solution to produce a solution with [H+]= 3.4×10-11 M ? There is no significant volume change as the result of the addition of the solid.
If Kp = 0.032 at this temperature, what will be the equilibrium overall pressure starting from pure CaSO4(s)?
Write the unbalanced equation for the formation of ozone gas from oxygen gas. (Include states-of-matter under SATP conditions in your answer.)
a problem frequently encountered in the dehydration of alcohols is the rearrangement to form a more stable carbocation. Explain why this is not a problem in the synthesis of cyclohexene
What is the change of molar Gibbs energy for the freezing of water at -10C? The vapor pressure of H2O (liquid, -10C) is 286.5Pa. The vapor pressure of H2O (solid, -10C) is 260Pa. At -10C the molar volume of supercooled water
2.00 x10^2 mL of .500 M HCl is mixed with 2.00 x 10^2 mL of .250 M Ba(OH)2. how many moles of water are produced in the reaction
10.00 mL of the final acid solution with excess barium chloride to produce a precipitate of barium sulfate (FW=2.33g/mol). The dry solid weighs 0.397 g.
Zn is immersed in a solution of CuCl2. What is the reaction and at what activity ratio of Zn(2+) / Cu (2+) will the reaction stop
How many milliliters of 2.6 M NH4Cl must be added to 260 mL of 0.20 M NH3 to obtain a buffer solution having pH=9.40
mass is obtained in the reaction, what mass of S2O3^2- was present initially, assuming the reaction went to completion? the density of the HSO3^- solution is 1.45 g/cm^3
Draw the fat molecule whose components are glycerol and butanoic acid. You may omit hydrogen atoms.
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