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Consider a mixture of air as well as gasoline vapor in a cylinder with a piston. The original volume is 50. cm3. Explain if the combustion of this mixture releases 935 J of energy, to what volume the gases will expand against a constant pressure of 650. torr if all the energy of combustion is converted into work to push back the piston?
30 mol H2 and .30 mol I2 are mixed in a 1.00L container, and the reaction forms HI. If Kc=.49 for this reaction, what is the equilibrium concentration of HI. I2(g) + H2(g) --- 2HI(g)
2 FeBr3(aq) + 3 Na2CO3(aq) Fe2(CO3)3(s) + 6 NaBr(aq) what is the net ionic eqation for this molecular equation.
What nuclide is produced in the decay process? Write the balanced radiochemical equations for both (proton absorbtion and alpha decay) processes.
a breathing mixture used by deep-sea divers contains helium oxygen and carbon dioxide. what is the partial pressure of
How many grams of FeSO4*(NH4)2SO4*6H2O (MW 392.14) must be dissolved and diluted to 250.0 mL to prepare an (aq) solution of density 1.00g/mL that is 1.00 ppm Fe2+ by wt
What is a zymogen. How are they activated. Give an example. What is a transition state. And what is its relationship with the active site
Extraction procedures have shown that nitrogenase contains an iron-sulfur cluster, Fe4S4, where the atoms of each type are arranged alternatively at the corners of a cube.
Chlorine gas (Cl2) is bubbled into an absorption column containing hot sodium hydroxide (NaOH) solution in order to produce sodium chlorate (NaClO3) according to the following chemical equation: 6NaOH + 3Cl2 = 5NaCl + NaClO3 + 3H2O
The vaporizaation for the compound is 24.75 kJ/mol. Calculate the heat required to convert 50.0 g of freon 11 from liquid at -50 C to a gas at 50 C.
Calculate the molarity of a solution made by adding 23.9 mL of concentrated potassium hydroxide (34.5 % by mass, density 1.46 g/mL) to some water in a volumetric flask
A sample of oxygen gas at a pressure of 0.996 atm and a temperature of 195oC, occupies a volume of 714 mL. If the gas is cooled at constant pressure until its volume is 544 mL, the temperature of the gas sample will be oC.
Two moles of sucrose are dissolved in eight moles of water. Assume that the solution follows Raoult's Law, but that the vapor pressure of sucrose is negligible, as it is for most solids. The distillation is carried out at 1 atm.
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