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Serhud [2]
3 years ago
14

The critical point of carbon dioxide is 304 k and 73 atm. under which conditions is carbon dioxide a liquid? i. 303 k and 73 atm

ii. 305 k and 74 atm (a) i only (b) ii only (c) both i and ii (d) neither i nor ii
Chemistry
1 answer:
Sergeeva-Olga [200]3 years ago
7 0
Answer is: a) I only.
Above critical temperature of CO₂, a gas cannot be liquefied no matter how much pressure is applied. Temperature and pressure above its critical point is called supercritical fluid and this is <span>intermediate between gaseous and liquid states.</span>
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The number of C atoms in 0.524 moles of C is 3.15 atoms.

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<h3>What are moles?</h3>

A mole is defined as 6.02214076 × 10^{23} of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

A. The number of C atoms in 0.524 mole of C:

6.02214076 × 10^{23} x 0.524 mole

3.155601758 atoms =3.155 atoms

B. The number of SO_2 molecules in 9.87 moles of SO_2:

6.02214076 × 10^{23} x 9.87

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C. The moles of Fe in 1.40 x 10^{22} atoms of Fe:

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0.2324754694 x 10^{-1} moles.

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2.30x10^{24} ÷ 6.02214076 × 10^{23}

3.819239854 moles=3.81 moles

Learn more about moles here:

brainly.com/question/8455949

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