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Butane(C4H10) is used as a fuel where natural gas is not avaiable. How many grams of butane will fill a 45.0 liter container at 27 degrees celsius and 3.05atm?
hydrogen gas was collected over water in a eudiometer at 26 oc when the atmospheric pressure was 756 mm hg. what was
Fe3O4(s) + 4CO(g) --> 4CO2(g) + 3Fe(s). In this reaction, if 335.2 g Fe3O4 is reacted with excess CO, what mass of CO2 will be produced.
Assume that a solid has a constant of Cp,m=25 J/K-mol from 50K to 298K and that the DeBye approximation is valid from 0K to 50K. Estimate the standard molar entropy Sm for the solid at 298K.
Calculate the ph change when 25 ml of 3.0 M HCl are added to 500 ml of a solution that is 0.10 M CH3COO
Determine the longest wavelenght of light required to remove an electron from a sample of potassium metal, if the binding energy for an electron in K is 1.76*10^3 kJ/mol.
764 mL of chlorine gas are added to the reaction chamber at STP. How many grams of silicon metal are needed to react with this volume of chlorine gas?
one vector has an x-component of 9 m a y-component of 10 m and a z component of 9 m. another vector has an x-component
At a given temperature, 0.150 mol NO, 0.100 mol Cl2, and 0.250 mol ClNO were placed in a 10.0 L container. The following equilibrium is established
What is the equilibrium partial pressure of water vapor in the air at 25 degrees Celsius, and how much water remains in the bucket after equilibrium is established
The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas
a solution is made by dissolving 21.5 grams of glucose c6h12o6 in 255 grams of water. what is the freezing-point
calculate the root-mean-square speed of Ne atoms at the temperature at which the average kinetic energy
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