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For the reaction N2 (g) + O2 (g) ⇔ 2 NO (g); Kp = 0.10 at 2000oC.
If initially: PN2 = PO2 = 0.156 atm, and PNO = 0.00, calculate the partial pressure of PNOat equilibrium.
You have produced a gas which you suspect to be hydrogen. Describe how you might confirm your suspicion. State exactly what you would do and what would you expect to observe.
A student determined the molar mass of an unknown non-electrolyte compound by measuring the freezing point depression of an aqueous solution of the compound.
An organic compound containing lead was found to contain 21.70 C and 2.7% H. The lead content was found by dissolving 4.6201g of the compound in water and adding sodium sulfate. 3.100 g of lead precipitate was collected.
Freons are controversial because of the damage they do to the ozone layer in the stratosphere. A 4.33-g sample of a particular freon in a 2.55 L bulb at 25°C has a pressure of 262 torr. What is the molar mass of the compound
If we were to react 0.146 g of sulfuric acid with 0.120 g of sodium nitrite, define what volume (mL) of gas would we expect to be produced at standard temperature as well as pressure
A liquid boils when its heat of vaporization is the same as its temperature. D. A liquid boils when its evaporation rate becomes constant.
what are the various parameters that can be changed performing MASCOT. how could them affects probability score, any one know about this
calculate the minimum number of grams of C3H8(g) that must be combusted to provide the energy necessary to convert 1.61 kg of H2O from its solid form at -10.0°C to its liquid form at 80.0°C.
An aqueous solution of weak base B of unknown concentration is titrated with a known concentration of acid, HA. Write the balanced chemical equation for this acid-base
When the compound spontaneously decomposes, the piston moves up, the temperature of the water reaches a maximum of 29.52°C, and then it gradually decreases as the water loses heat to the surrounding air.
A cylinder with a moveable piston contains 0.533 of gas and has a volume of 268. What will its volume be if an additional 0.256 of gas is added to the cylinder
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4 , for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 425 ml of a solution that has a concentration of Na^+ ions of 1.40 M
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