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When a 5.00 L flask containing 1.35 atm of gas A is joined with a 2.00 L flask containing 1.00 atm of gas B, and the stopcock between the flasks is opened, and the gases are allowed to mix thoroughly at constant temperature, what is the resulting total pressure of gases in the now-joined flasks? (assume no reaction between the gases and that the gases behave ideally)
A solution of NaOH(aq) contains 8.0 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
If equal volumes of BaCl2(aq) and NaF(aq) solutions are mixed together, which will NOT give a precipitate (Ksp of BaF2 = 1.7 x 10-7)?
What is the percent recovery of caffeine from tea leaves in the procedure here? Compare the amount of caffeine isolated to the mass of the tea leaves.
liquid mercury at atmospheric pressure and 298K to 1.25L at constant temperature requires 46.6kbar (kilobars) of external pressure. What is the isothermal compressibility of Hg(l)?
Solving this question helps the student to understand how to find the limiting reactant and how much product is produced and What mass of product may be produced?
Find the total number of atoms in a sample of cocaine hydrochloride, C17H22ClNO4 of mass 20.0 mg.
If the E(cell) measured of Cu vs. Zn is .652 and the E(cell) meausered of Zn vs. Sn is .302. what is the E(cell) of Cu vs. Zn
What is E for the transition of an electron from n = 7 to n = 4 in a Bohr hydrogen atom. What is the frequency, of the spectral line produced
The molar solubility of lead sulfide, PbS, is a 0.213 M ammonium sulfide solution is? The Ksp for PbS = 3.2 x 10^-28.
Consider the fermentation of one molecule of glucose (Glc) to two molecules of lactate (Lac): Glc 2 Lac. Which of the following sets of concentrations would result in the largest release of free energy at 30°C
What is the structure of the precipitate that forms after the sulfuric acid
Write the equation showing the S-trans to S-cis equilibrium of the two conformations for a. (E)-1,3-pentadiene b. (Z)-1,3-pentadiene and which equilibrium will favor the s-tans conformation more strongly
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