Determining the partial pressure of oxygen
A gaseous mixture of and contains 36.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 ?
Express you answer numerically in millimeters of mercury.
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Considering the different resonance structures that contribute to the resonance hybrid in this molecule, explain why this molecule has a larger bond angle than the isoelectronic methyl azide.
Calculate the concentration of SO2 that must be reached in polluted air if the dissolved gas is to produce a pH of 4.0 in raindrops without any oxidation of the sulfur.
The gas pressure measured at 20.0 degrees C is 1.95 atm. Assuming ideal gas behavior, how many grams of ammonia are in the flask?
By what factor (how many times) will the rate constant increase when the temperature is raised from 10°C to 28°C?
How much energy will be needed to heat 45.7 gal of water from 22.0 oC to 110.0 oC? (Note that temperature 110.0 oC can be at a certain pressure greater than 1 atm. Note that 1.00 gal weighs 3.77 kg and that water has a specific heat capacity of 4.
if the ethyl alcohol at 35 degree rise through 8.36 cm in a capillary tube of radius 0.20 mm , What is surface tension.
The distance between layers in a crystal is 393 pm. X rays are diffracted from these layers at an angle of 39.4° What is the difference between the layers?
A gas sample in an open manometer system has a pressure of 530 mmHg . The mercury column has a height of 545 mm on the gas sample side and a height of 425 mm on the air pressure side. what is the value of the air pressure in mmHg?
WHen 1 gram of nitroglycern, C3H5(NO3)3, decomposes to form nitrogen gas, oxygen gas, gaseous carbon dioxide, and liquid water, 1.9 kcal of heat is evolved.
Rubidium has two naturally occurring isotopes: with mass 84.9118 and a natural abundance of 72.17%, and with mass 86.9092 and a natural abundance of 27.83%. Calculate the atomic mass of rubidium.
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