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Gaseous oxygen is held in 2 separate containers at identical temperature and pressure. The volume of container A is 7.92 L and it contains 0.209 mol of the gas. The volume of container B is 2.45 L. How many moles of the gas are in container B?
a kno3 solution is made using 96.4g of kno3 and diluting to a total solution volume of 1.20l. what is the the molarity
Calculate the concentration of (C6H6O6)2- in an aqueous solution of .0619 M ascorbic acid, H2C6H6O6 (aq).
The values of delta h and delta s for the reaction CaCo3(s) yields CaO(s)+CO2(g) are 177.8kJ and 160.5 J/K respectively. the pressure of CO2 at equilibrium for the process
What would the pH change be if this same amount of 1.000 M HCl were put into a gallon of pure water?
The common forms of nitrogen and phosphorus are N2(g) and P4(s) respectivly. Account for the difference in terms of the single and multiple
The procedure calls for cautions addition of water to the reaction mixture while it is still hot. What purpose does the addition of water serve and why should the addition be done while the reaction mixture is hot? Provide an equation for the reac..
A galvanic (voltaic) cell consists of an electrode composed of aluminum in a 1.0 M aluminum ion solution and another electrode composed of copper in a 1.0 M copper(II) ion solution, connected by a salt bridge. Calculate the standard potential for ..
It takes a certain gas 1.98 times as long to diffuse as an equal volume of helium under the same conditions. what is the calculated molecular weight of the gas
You have a volume of 100 L at a concentration of 100 PPM of benzene. If you later sampled from this known concentration at a temperature of 15° C
A reaction that occurs with large decrease in enthalpy and small decrease in entropy. D. A reaction that occurs with any size increase in enthalpy and any size decrease in entropy.
3.06 grams of hydrogen is allowed to react with an excess of o2 gas to form 27.35g of h2o. in a second experiment
Electrolysis of molten MgCl2 is the final production step in the isolation of magnesium from seawater by the Dow process.
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