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1) If a mixture of argon and xenon have total pressure of 870 torr and the pressure of the argon is 539 torr., what would be the mol ratio of the gases?
2) What is the mol fraction of sulfur dioxide in a mixture of 75.0gm of the first gas and 100.0 gm of oxygen?
why was Mendeleev's decision to leave blank spaces on his table sometimes was referred to as his most significant contribution to the periodic table?
calculate the molarity of a solution of glycerol made by dissolving 68.000 glycerol at 15 in enough water to make
Calculate the standard enthalpy of formation of gaseous carbon dioxide (CO2) using the following thermochemical information: 2 C(s) + H2(g) C2H2(g) H = +226.8 kJ 2 C2H2(g) + 5 O2(g) 4 CO2(g) + 2 H2O(l) H = -2599.3 kJ 2 H2O(l) 2 H2(g) + O2(g) H = +..
Consider 1.5 kg of austenite containing 1.15 wt% C, cooled to below 727 degrees Celcius (1341 degrees Farenheit).
The C-C bond in this structure should become the C2-C3 bond in (2R,3S)-2-bromo-3-phenylpentane. Type the name of an atom or group to add to the structure, or press the atom's button. Click on an H atom to replace that H atom with the atom or group..
Which statement is true concerning the reaction... N(g) + N(g) = N2(g) + energy?
Consider the reaction between 15 mL of a 1.00 M aqueous solution of AgNO3 and 10 mL of a 1 M aqueous solution of K2CrO4. When these react, a precipitate is observed. What is present in solution after the reaction is complete
Using the alpha diagram for carbonate in a closed system, at what pH would the molar CO2 concentration be approximately equal to the molar bicarbonate concentration
Name four hydrocarbon types. Give 1 example for each type. Write chemical formula, structural formula and condensed structural formula for each example.
Compute the Ka for the acid if the pH of the resulting solution = 6.36. and determine the pH of the resulting buffer
Consider the combustion of methane ( as represented by the following equation). This is the reaction that occurs for a bunsen burner, which is a source of heat for chemical reactions in the laboratory.
There are 3 different possible structures (known as isomers) for a dibromoethene molecule, C2H2Br2. One of them has no net dipole moment, but the other two do. Draw a structure for each isomer. Include H atoms.
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