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The density of dry air at 1.00 atm and 34.4 degrees celcius is 1.15 g/L-1. Calculate the composition of air (percent by mass) assuming that it only contains nitrogen and oxygen and behaves like an ideal gas
Find the new volume of the gas sample - What is the new volume of the gas sample
Indicate how many electrons are transferred in the formation of one formula unit of product
The stereochemistry of the more highly substituted alkenes is difficult to define using the cis and trans designations. Therefore, a more systematic manner of indicating stereochemistry in these systems has been developed that uses an E and Z nome..
For each of the following equilibria, use Le Chatelier's principle to predict the direction of reaction when the volume is increased.
2C2H6 + 7O2---> 4CO2 + 6H2O if the reaction produces 2.75 mol of H2O how many grams of CO2 are also produced?
a 6.0-g sample of [Ni(H2O)6]Cl2 is dissolved in aqueous solution. If an excess of ethylenediamine (en) is added to the solution, solid [Ni(en)3]Cl2*2H2O forms. What is the theoretical yield of product from the reaction?
Perform the following mathematical operations, and express each result to the correct number of significant figures. 0.19*6.022*10^23
3.8 g of a hydrocarbon fuel is burned in a calorimeter that contains 234 grams of water initially at 25.00 ? C. After the combustion, the temperature is 26.55 ? C
Combustion of solid urea: CO(NH2)2 (s) + 3/2 O2 (g) --> CO2 (g) + N2 (g) + 2H2O According to bomb calorimetry measurements
Calculate the concentration of OH- ion remaining in solution. Calculate the concentration of Sr+ ion remaining in solution. Calculate the concentration of NO3- ion remaining in solution.
There are very few compounds that contain an element from the noble gas family (elements in column 18, rightmost column). Explain why there are so few noble gas compounds in nature.
The complete combustion of acetylene, C2H2(g), produces 1300. kJ of energy per mole of acetylene consumed. How many grams of acetylene must be burned
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