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valentinak56 [21]
3 years ago
14

Aerogenerators are used to produce electricity from

Physics
1 answer:
ki77a [65]3 years ago
4 0
Like windmills they use the winds to generate their power.
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Arsine, ash3 is a highly toxic compound used in the electronics industry for the production of semiconductors. its vapor pressur
Natalka [10]

Answer:  a. 17.7 KJ/Mol

b. T=210K

Explanation:

Arsine, ash3 is a highly toxic compound used in the electronics industry for the production of semiconductors. its vapor pressure is 35 torr at – 111.95°c and 253 torr at – 83.6°c. using these data calculate.

the question isnt completely originally, but we could look at the likely derivation from the questions

(a) the standard enthalpy of vaporization

using the clausius clapeyron equation

In (PT1vap / PT2vap) = delta H (vap) / R ( (1/T1) - (1/T2) )

In (35Torr/253Torr) = delta H (vap) / 8.3145 ( (1/189.55) - (1/161.2) )

Therefore, Delta H (vap) = 17.7 KJ/Mol

b. Also the boiling point

What is the normal boiling point of arsine?

At the boiling point Pvap = atmospheric pressure = 1 atm=760 torr

substitution into the equation as stated in question 1

ln(760/253)=17700/8.314(1/189.55-1/T)

T=210K

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3 years ago
URGENT HELP! <br> How is it that two moving objects can have a net momentum of zero?
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If a sample of a radioactive isotope has a half-life of 1 year, how much of the original sample will be left at the end of the s
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1/4 of the original

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That would be TWO half lives:

1/2  * 1/2   = 1/4   <======= 1/4 would be left

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