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In this experiment it is presumed that the total number of moles of gas is constant all through the series of expansions. Explain what would the data look like if there was a small leak in the sample cylinder?
Explain both compounds have structures with six atoms in a ring. Depict Lewis structures for pyridine and pyrazine showing all resonance forms. Define the N atoms in the pyridine are opposite each other in the ring with 2 carbons
write the overall equation for the production of nitric acid by the ostwald process by combining the preceding and any
when 2.0 g of aspirin was shaken up in a flask containing two immiscible liquids it was found that the mole fractions
Br2 (g) + 3F2 (g) ? 2BrF3 (g) Explain what volumes of Br2 and of F2 measured at the same temperature also pressure are needed to prepare 50.0mL of BrF3
.05 moles of PCl5 and 5 moles of PCl3 are introduced into an evacuated 1L chamber. Calculate the equilibrium concentration of PCl3 knowing that K=33.3
Naturally occuring silver consists of two isotopes: 107Ag (51.84%) with an isotopic mass of 106.9051 amu and 109Ag (48.16%) with an isotopic mass of 108.9048 amu. What is the atomic mass of silver
the air in the laboratory was measured with a barometer to be 7.20 x 10 squared mm Hg. what is the laboratory air pressure in atm.
what is the final temperature of 100 g of water, initially at 20 Celsius , to which 1000 calories (cal) are added
Write the correct equation for the reaction resulting from the mixture of 0.01 mols pure sulfuric acid with 0.01 mols sodium cyanide forming a crystalline solid among the products
Determine the volume of the gas at a pressure of 150.0 kPa and a 26 degree Celsius of temperature?
carbon disulfide cs2 is an important industrial substance. its fumes can burn explosively in air to form sulfur dioxide
Geologists can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life of 4.5 billion years
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