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At 21.0 °C, a solution of 14.25 g of a nonvolatile, nonpolar compound in 31.90 g of ethylbromide, C2H5Br, had a vapor pressure of 301.7 torr. The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is the molecular mass of the compound?
An aqueous solution is 22.0% by mass ethanol, CH3CH2OH, and has a density of 0.966 g/mL. what is molality of ethanol
Aqueous sulfuric acid will react with solid sodium hydroxide to produce aqueous sodium hydrogen sulfate and liquid water . Suppose 3.92 g of sulfuric acid is mixed with 2.22 g of sodium hydroxide.
Draw structural formulas for the following compounds, and mark any chiral centers (asymmetric carbons) with an asterisk: l-bromobutane, 2- bromobutane
The most probable mechanism of reactivity for the solvolysis of tertiary butyl chloride is a)Sn1 b)Sn2 c)E1 d)E2. I performed the experiment and benzyl chloride (primary) and teriaty butyl chloride (tertiary) ran the same amount of time. 2-chloro-..
How many products are formed in this reaction? Which of the products are triatomic molecules? How many of the substances involved in this reaction are compounds?
20ml of 0.15M H3PO4 is required to neutralize 40ml of a KOH solution. The molarity of the KOH solution is?
what is the rate law? b) calculate the value of the rate constant c)calculate the initial rate for an experiment when both I- and OCl- are initially present at 0.15 mol/L
What is the Volume of 1.05 mol of Benzene (C6H6) at 20.7 degrees C. The density of Benzene is 0.879 g/mL.
Suppose 50 mL of 0.020 M Hydhrochloric acid solution was mixed to 50 mL of 0.20 M acetic acid solution (Ka of acetic acid, CH3COOH, = 1.8 x 10-5). Determine the approximate pH of the mixture.
A graduated cylinder contains 155 mL of water. A 15.0 g piece of iron (density = 7.86 ) and a 20.0 g piece of lead are added. What is the new water level in the cylinder?
calculate the equilibrium partial pressures of all gases in the reaction and set up the expression for Kp in terms of equilibrium partial pressures but do NOT solve.
calculate the ph that results when 100 mL a liquot of 0.0500 M is added to 400 M of a NH3/NH4+ buffer that is 0.200 M in NH3 and 0.300 M in NH4Cl
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