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A 1.00 L flask is filled with 1.00 g of argon at 25 °C. A sample of ethane vapor is added to the same flask until the total pressure is 1.350 atm. What is the partial pressure of argon in the flask and what is the partial pressure of ethane in the flask.
What is the molality of a solution of aluminum nitrate that contains 31.0 g of Al(NO3)3 dissolved in 295.0 g of water? Use molar masses with at least as many significant figures as the data given. What is the molality of each of the ions in soluti..
In each of the following groups of substances, pick the one that has the given property. Explain your reasoning for each.
a sample of beach sand contains sand particles of different colors small pebbles and also shells. each component
how much heat would be given off per mole of naoh if 4.6g of naoh dissolves to give off 755j of heat? how many grams of
In the reaction below, 7.57 atm each of H2 and Br2 were placed into a 1.00 L flask and allowed to react: H2(g) + Br2(g) 2 HBr(g) Given that Kc = 11.8, calculate the equilibrium pressure of Br2.
Organic Chemistry-In the mass spectrum of butylbenzene, the base peak occurs at m/z
Gas boiling matographic analysis of the product showed that the compound was pure, and a calibration of the thermometer indicated that it was accurate. What procedural error might the student have made in setting up the distillation apparatus
In a gas mixture, the partial pressures are argon 425 , neon 60 , and nitrogen 125 .What is the total pressure exerted by the gas mixture?
Phenylacetic acid (C6H5CH2COOH) is one of the substances that accumulates in the blood of people with phenylketonuria, and inherited disorder that can cause mental retardation or even death
Cerium is often used as a reducing agent. Although it is expensive, it has a high stabile and constant value of E^ o over a PH range from 0 to 7.
The original amounts for the reagents with 0.5g of starting material (4-cyclohexene...) was 5mL water, 0.2g decolorizing carbon. 1.5mL of 1M sodium borohydride, 0.5mL of 5%chloroplatinic acid, and 2mL concentrated HCl.
Determine whether the molecules: ozone, sulfur trioxide and nitromethane (CH3NO2) contain polar bonds. In those molecules that contain polar bonds, determine whether the molecule is polar
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