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What is the delta Hvap

Ln(P2/p1)=ln(-delta Hvap/R)•(1/T1-1/t2)I have ammonia at normal boil with a temp at 39.2C find the Hvap
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2. asked by Anonymous
3. 477 views
Calculate the S(univ) for the following phase change at 25 deg celcius. The boiling point of heptane is 98.0 Celcius and has a
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2. asked by Hank
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Calculate the S(univ) for the following phase change at 25 deg celcius. The boiling point of heptane is 98.0 Celcius and has a
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2. asked by Hank
3. 462 views
Calculate the S(univ) for the following phase change at 25 deg celcius. The boiling point of heptane is 98.0 Celcius and has a
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2. asked by Jared
3. 538 views
The following thermodynamic data was obtained for an unknown compound. Delta Hvap = 31.3 kj/mol and Delta S Vap= 79.7 kj/mol
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2. asked by Chloe
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The following thermodynamic data was obtained for an unknown compound. Delta Hvap = 31.3 kj/mol and Delta S Vap= 79.7 kj/mol
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2. asked by Chloe
3. 506 views
How do you find [delta]Hvap?
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2. asked by James
3. 570 views
A liquid has a delta(Hvap) of 35.5 kJ/mol and a boiling point of 122 C at 1.00atm. What is its vapor pressure at 113 C?
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2. asked by Bruce
3. 1,131 views
Does my work here look right?3. One mole of an ideal gas expands adiabatically into a vacuum. Calculate q, delta-e, w, and
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2. asked by Jess
3. 1,282 views
ln 555.6/281.1 = -deltaH vap/8.314J/k mol [1/256.1K - 1/242K]. I have to solve for delta Hvap.I know that the left side would
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2. asked by Hannah
3. 320 views