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A 1.50mol sample of helium

A 1.50mol sample of helium at a certain temperature and pressure has a volume of 31.4L. A second sample of helium at the same
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2. asked by naseeb
3. 928 views
A sample of methane (CH4) gas contains a small amount of helium. Calculate the volume percentage of helium if the density of the
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2. asked by Chris
3. 4,429 views
A sealed container of volume 0.10 m3 holds a sample of 3.0 x 10^24 atoms of helium gas in equilibrium. The distribution of
1. 2 answers
2. asked by Oli
3. 2,160 views
A sample of helium behaves as an ideal gas as it is heated at constant pressure from 278 K to 353 K. If 40 J of work is done by
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2. asked by Melody
3. 698 views
A sealed container of volume V =0 .10m^3 holds a sample of N =3 .0×10^24 atoms of helium gas in equilibrium. The distribution
1. 3 answers
2. asked by Anon
3. 1,023 views
What is the boiling point of each solution?a).50mol glucose in 1000g H2O b)1.50mol NaCl in 1000g H2O
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2. asked by Kim
3. 3,315 views
a buffer composed of 0.50mol acetic acid and 0.50mol sodium acetate is diluted to a volume of 1.0L. The pH of the buffer is
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2. asked by millie
3. 1,750 views
What would occur when a few drops of phenol red indicator HPr(aq)/ Pr^-(aq) are added to a 100.0mL sample of 0.50mol/L nitrous
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2. 53 views
Would you please tell me if these are right?A sample of helium has a volume of 325 ml and a pressure of 655 mm hg. What will be
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2. asked by Jason
3. 1,552 views
What characteristic distinguishes helium (He) from the other noble gases?Helium has a strong odor. Helium is highly reactive.
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2. 117 views