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Rank the given solutions in aquous form from lowest to highest boiling point: 0.5 m NaCl, 1 m KCl, 0.5 m BaCl2, 1 m Ba(NO3)2. 1. Ba(NO3)2 < 0.5 m NaCl < 0.5 m BaCl2< 1 m KCl2. 0.5 m BaCl2 < 1 m KCl < 1 m Ba(NO3)2< 0.5 m NaCl 3. 0.5 m NaCl < 0.5 m BaCl2 < 1 m KCl < 1 m Ba(NO3)2 4. 1 m KCl < 1 m Ba(NO3)2 < 0.5 m NaCl < 0.5 m BaCl2
Calculate the entropy change for each of the following reactions. Justify why these are physically reasonable answers.
Using the quadratic equation to calculate H3O+ in 0.00250 M HNO2. what are the values of a,b,c, and x. Recall that Ka=4.5 x 10^4
The density of a 50% solution of NaOH is 1.525 g/mL. What volume of a solution that is 50% by weight NaOH is required to make 1 Liter of 0.15M NaOH solution.
Calculate the bicarbonate and carbonate alkalinities, in mg/L as CaCO3 , of a water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47?
Which elements exist as molecular species in their most stable states at 25 degrees C and 1 atm? iodine, magnesium, sulfur, cesium, carbon, oxygen, phosphorus, neon
Hexane has a vapor pressure of 100 torr at 15.8 C and 400 torr at 49.6 C. What is its deltaHvap
What is the geometry and hybridization of the carbonyl carbon in carboxylic acids and their derivatives.
what two steps in the reaction are accelerated by the presence of strong acid, and what function does the acid play in each of these steps
0.554g sample that is a mixture of oxalic acid, H2C2O4 and another solid that does not react with sodium hydroxide. If 29.58 mL of 0.550 M NaOH is required to titrate the oxalic acid in the 0.554g sample to the equivalence point
what is the hydrogen ion concentration of this solution? What volume of .250 M KCl will completely react with 50.0 mL OF .115 m Pb(NO3)2?
when 0.060 mol of propionic acid c2h5co2h is dissolved in 500 ml of water the equilibrium concentration of h3o ions is
What is the molar mass of a gas if 0.358 g of the gas occupies a volume of 186 mL at 5.00C and 1.10 atm.
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