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Methane gas is used as fuel for ovens, homes, and water heaters. What volume (in L) will 3.21 mol of methane gas occupy at 25.0 oC and 92.1 kPa?
(record final answer with the correct number of significant digits and the proper units.)
Calculate the flow rate of the liquid to the waste lagoon and the mass fraction of Cr in this liquid for m_1 varying from 1000 kg/h to 10,000 kg/h in 1000 kg/h increments.
A neon sign is made of glass tubing who's inside diameter is is 2.5cm and whose length is 5.5m. If the sign contains neon at a pressure of 1.78 torr at 35 degrees Celcius, how many grams of neon are in the sign
Sulfur-38 has an atomic mass of 38.0 and a half-life of 2.87 h. How long does it take for 99.99% of a sample of sulfur-38 to decay
Ammonia is created in the Haber process in a rigid container (nitrogen gas plus hydrogen gas react to form ammonia gas).
Suppose 0.916 g of potassium bromide is dissolved in 100.mL of a 49.0mM aqueous solution of silver nitrate. Calculate the final molarity of bromide anion.
What is the quantity of moles, of neon gas if 4.87 L is at a pressure of 0.635 atm and the temperature
How many grams of O2 will dissolve in 1.75L of H2O that is in contact with air where partial pressure of O2 is 0.209atm?
to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
what is steam distillation and why is it a preferred technique to purify high boiling liquids that are water-insoluble
A solution is prepared by dissolving 4.21 g of a non-electrolyte in 50.0 g of water. If the boiling point raise by 0.203ºC, explain what is the molar mass of the solute? The boiling point elevation constant for water is 0.512 ºC/m.
A sample of an ideal gas at 1.00 atm and a volume of 1.89 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume.
Would expect the percent error in the solid density to be higher or lower than the percent error in liquid density. Explain why
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