A steel tank with a volume of 9.583 L contains N2 gas under a pressure of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank.

a.

0.002 mol

c.

0.525 mol

b.

0.018 mol

d.

1.90 mol

Chemist preformed Reaction of solid magnesium burning and found that the mass of the magnesium oxide what is greater than the mass of the magnesium.

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A column containing carboxymethyl groups can be used to separate serum albumin and ribonuclease a. serum albumin has a pi of 4.9, so at ph = 7.0 it is

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The summer season at Arica and Rio de Janeiro Occurs from approximately