Calculate the number of moles of gas in the sample
A sample of nitrogen gas in a 4.6-Lcontainer at a temperature of 25°Cexerts a pressure of 3.7 atm. Calculate the number of moles of gas in the sample.
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What is the average velocity of the student during his walking? What is the average speed that the student was moving?
Phosphate ons are a major pollurant of water supplies. They can be removed by precipitation using solutions of Ca2-ions becasue the Ksp of calcium phosphate is 2.0 x10-29 .
Elemental sulfur occurs as octatomic molecules, S8. What mass of fluorine gas is needed to react completely with 18.7 g of sulfur to form sulfur hexafluoride?
(a) What is the total momentum of the system of the two carts at this instant? (b) What was the velocity of the first cart when the second cart was still at rest?
Ashley's mass is 67 kg, and Miranda's is 52 kg. Ignore the mass of the inner tube and any friction between the inner tube and the snow.
The electric repulsion force between the protons is huge, but the attractive nuclear force is even stronger and keeps the nucleus from bursting apart. What is the magnitude of the electric force between two protons?
What is the skateboard's velocity relative to the sidewalk at this instant? Be sure to include the correct algebraic sign with your answer.
Show how the transformation of cyclohexanecarboxamide to cyclohexylethyl ketone may be accomplish using a nitrile as anintermediate .
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Question: Female primates are characterized by slow life histories. Which of the following traits is not an example of this pattern?
In each of the photos, there is both a male and a female of the same species. Which primate would you predict has a polygynous/polygamous mating system?
The first primate that you encounter at the site is small bodied (just 150 grams). Skeletons of specimens collected by park rangers
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