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Which solution behaves more ideally, a 5.0% by weight NaOH (aq) solution (b.p. = 102 ºC) or a 50. % NaOH (aq) solution (b.p. = 140. ºC)? Support your answer with calculations (hint: what are the theoretical boiling points for these solutions?).
The initial volume of the balloon is 5.00 , and the pressure is 760. The balloon ascends to an altitude of 20, where the pressure is 76.0 and the temperature is 50. What is the new volume, of the balloon in liters, assuming it doesn't break or leak
A 0.456 gram sample of an unknown mono protic acid (let's call it HZ) was dissolved in some water (you pick the amount). Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH.
How many ATOMS of xenon are present in 3.25 moles of xenon trioxide. How many MOLES of oxygen are present in 9.37E+22 molecules of xenon trioxide
However, 1,2-dichlorobutane was more than twice as present in the products as 1,3-dichlorobutane. Account for the differencees between the two.
Determine the amount of acetic acid and sodium acetate required. The Ka of acetic acid is 1.8 X 10^-5. Show the calculations for the preparation of 100 mL of an acetic acid - sodium acetate pH 5.0 buffer using .30 M acetic acid.
how many liters of 13.5 molar HCl stock solution are needed to make 10.5 liters of a 1.8 molar HCl solution?
There are 0.30 mol SrCl2 in every liter of solution. Calculate the number of moles of SrCl2 that were added. What is the limiting reactant?
How much aspirin can be made from 100.0 g of salicylic acid and 100 g of acetic anhydride? If 122 g of aspirin were obtained by the reaction, what is the percent yield?
A traveling wave is produced on a rope. The wave travels until it hits a wall and it is reflected. If the speed of the wave is 1.8 m/s and it takes 6.5 s to get back to the starting point, how long (m) is the rope. Round to two decimal places, do ..
Calculate the attractive force (in Newtons) between a cation with a valence of +3 and an anion with a valence of -2, the centers
Is imidazole an aromatic compound? Explain. Remember to account for non-bonding electrons on the nitrogen atoms. Which nitrogen atom is more likely to be protonated in an acid solution?
The radioactive decay of Tl-206 to Pb-206 has a half-life of 4.20 min. Starting with 3.70 1022 atoms of Tl-206, calculate the number of such atoms left after 38.0 min.
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