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Carbon monoxide reacts with oxygen gas to produce carbon dioxide. A gaseous mixture contains 0.85 g of carbon monoxide and 0.73 g of oxygen gas. After the reaction is complete, what mass of carbon dioxide is formed? Which reactant is in excess?
Rubidium has a heat of vaporization of 69.0 kJ/mol and an entropy of vaporization of 71.9 J/K.mol. Calculate the boiling point of rubidium.
Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst).
sand and iron particles that are similar in size and color are mixed together in a beaker. what would be the best
What is the molar mass of the acid? If the unknown acid had the formula H2X, could this experiment be used to determine its molar mass? Explain why or why not
under free radical conditions when the concentration of Br2 is kept very low, the following reaction occurs: 1-octene to (Z)-1-bromo-2-octene (39%), (E)-1-bromo-2-octene (44%), 3-bromo-1-octene (17%)
What is the Lewis structure of the covalent compound that contains one nitrogen atom, one hydrogen atom, and one carbon atom
what would be similar about a raft full of chemistry students and some of the cans of soda that would make them both
Problem- Write an equation that represents the formation of a part of the polystyrene polymer from three of the monomer units.
Question- Calculate the pH of a buffer made by dissolving 1 mol formic acid (hcooh) and 1.0 mol Sodium formate (HCOONa) in 1.0 L of solution (pHa = 3.74)
The corresponding densities of liquid water and water vapor are 0.958 kg/L and 0.000598 kg/L, respectively. Calculate the change of pressure for a one degree change in temperature.
A 498 mL sample of laughing gas, N2O, is at 30 oC and 414 torr pressure. (a) How many gas molecules are present? (b) How many atoms are there
a student weighs an aspirin tablet and finds that it weighs 385 mg. she crushes it dissolves it and titrates it with
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