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When scaling Mt. Everest, climbers usually require supplemental oxygen, because the partial pressure of this gas is too low to meet their O2 demand. What is the partial pressure of O2 in torr at the top of Mt. Everest where the atmospheric pressure is 200 torr, the partial pressure of N2 is 156 torr, and the partial pressure of the other gases (excluding O2) is 2 torr?
How can we deduce that electrons are not stationary?
Carbon dioxide reacts with hot carbon in the form of graphite. The equilibrium constant, , for the reaction is 10.0 at 850.°C.
CO2 (g) + C(graphite) -----> 2CO (g)
If 13.5 g of carbon monoxide is placed in a 2.50-L graphite container and heated to 850.°C, what is the mass of carbon dioxide at equilibrium?
One mole of N2 and 3 moles of PCl5 are placed in a 100 litre vessel heated to 227ºC. The equilibrium pressure is 2.05 atm. Assuming ideal behaviour, calculate degree of dissociation of PCl5 and KP
What is the density of water at 22 degrees Celsius?
A certain industrial cleaner and paint solvent was distilled to produce a single compound D. When D reacted with 2,4-dinitrophenylhydrazine, an orange precipitate was produced. With alkaline aqueous iodine, D gave a pale yellow precipitate. D did not react either with warm acidified pottasium dichromate(IV) or with warm aqueos bromine. Reduction of D with hydrogen over a catalyst produced an equimolecular mixture of two isomers, E and F with molecular C4H10O.
Suggest structural formulae of D,F and E and explained the reaction involved
given the following reactions what mass of water will be formed if you react 2.85g NH3 with excess O2 NH3+O2=NO+H2O
What type of reaction is: CaCO3 -> CaO + CO2?
CH3CH2COOH is prepared in the lab by dissolving 3.6g in 1 L of the solution. In a titration of this acid with an aqueous solution of NaOH, 25mL of the acid required 12.15 mL of a 0.100 M aqueous NaOH solution for complete neutralization. What are the moles of NaOH required to completely react with 25 ML of CH3CH2COOH?
The speed of sound at room temperature is about 343 miles per second. Calculate this speed in miles per hour 1m=1.609m 1h=60sec 1m=60 sec