The heat of vaporization of ethyl alcohol at 78.5°C is 26.1 cal/g. How much heat is needed to vaporize 128 g of ethyl alcohol? 1.01 x 10^5 cal 216 cal 3.34 x 10^3 cal 4.90 cal
Added by Connie S.
Close
Step 1
1 calories per gram. Show more…
Show all steps
Your feedback will help us improve your experience
Jennifer Hudspeth and 78 other Chemistry 101 educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Ethanol melts at 159 Kelvin and boils at 351 Kelvin. How much heat (in kJ) is required to convert 42.0 grams of ethanol at 118 Kelvin to its vapor phase at 351 Kelvin? Molecular weight of ethanol: 46.07 g/mol Csolid ethanol= 0.97 J/gK Cliquid ethanol= 2.30 J/gK Hvap= 38.56 kJ/mol Hfus= 5.02 kJ/mol 35.2 kJ 1.67 kJ 18.5 kJ 60.0 kJ
Oluwapelumi K.
How many joules of heat are required to heat 25.0 g of ethyl alcohol from the prevailing room temperature, 22.5 °C, to its boiling point, 78.5 °C?
Sima S.
How many joules of heat are required to change $336 \mathrm{g}$ of ethyl alcohol from a solid at $-117^{\circ} \mathrm{C}$ to a vapor at $78.5^{\circ} \mathrm{C} ?$
Recommended Textbooks
Chemistry: Structure and Properties
Chemistry The Central Science
Chemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD