3 years ago

What is the length of an average solar cycle? A. 5 years B. 11 years C. 22 years D. 10 years

1 answer:

4 0

B. A solar cycle usually lasts 11 years.

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BlackZzzverrR [31]

Answer: The volume of gas is 3020 ml

Explanation:

According to ideal gas equation:

$PV=nRT$

P = pressure of gas = 821.4 torr = 1.08 atm (760 torr = 1atm)

V = Volume of gas in L = ?

n = number of moles = $\frac{\text {given mass}}{\text {Molar mass}}=\frac{17.0g}{245.28g/mol}=0.069mol$

R = gas constant = $0.0821Latm/Kmol$

T =temperature = $302.7^0C=(302.7+273)K=575.7K$

$V=\frac{nRT}{P}$

$V=\frac{0.069mol\times 0.0821Latm/K mol\times 575.7K}{1.08atm}=3.02L=3020ml$

Thus volume of gas is 3020 ml

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timofeeve [1]

Helium would be the least I think

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vladimir1956 [14]

Your answer should be Polysaccharides

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mihalych1998 [28]

Answer:

Explanation:

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Blizzard [7]

Answer: 4. A solution in which methyl orange is red

Explanation:

The others solutions are in their basic form while methyl orange is in it’s acidic form when red.

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3 years ago