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A sample of pure NO2 is heated to 338 degrees C at which temperature it partially dissociates according to the equation
2NO2(g)<--->2NO(g)+02(g)
At equilibrium the density of the gas mixture is 0.525 g/L at 0.755 atm.
Calculate Kc from the reaction.
When the reaction consumes 10.0 g of liquid N2O4, it releases 124 kJ of heat. What is the value of ?H (in kJ per mole N2O4) for the chemical equation as written
If I add 1.65L to 112g of sodium acetate what is the molality of sodium acetate in the solution
The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution
How is it possible for temperatures below the ice to be actually warmer than surface temperatures
What is the age of a rock whose Argon 40 / Potassium 40 ratio is 1.55. The half life of Potassium 40 is 1.28 x 10^9 years.
Pretend 32.15 mL of NaOH of the standardized base is required to titrate a 20.00 mL sample of a 1.000 to 10.000 dilution of the mystery acid. What is the concentration of the acid (before dilution)
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
Benzene, phenol and benzaldehyde. Which of these would you predict to be the most reactive toward an electrophile? Briefly explain.
If I try to make a battery using copper and silver electrodes (along with the corresponding ionic solutions), will it work? Why or why not
A solution prepared by mixing 100 mL of 0.2 M glycine and 100 mL of 0.2 M Cu2+ is adjusted to a pH of 7 with NaOH. Calculate [Cu2+], [CuA+], [CuA2], [HA], and [A-] in the solution.
Geometric isomers illustration, This is more of a theoretical question I think. Co(NH3)5ClBr has two compounds for that one formula.
Write one overall equation, using an alkali metal ion and a nitrate ion as spectator ions if needed, for the following net ionic equation: H+(aq) + OH-(aq) ? H2O(l)
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