please i need the answer within five minutes

Dec 4th, 2014
DotaCN
Category:
Chemistry
Price: $15 USD

Question description

indicate which of the following has the highest boling. 

H2S has a .... b.p. than H2Se . 
CH3CH2CH3 has a .... b.p. than CH3CN . 
I2(s) has a .... b.p. than H2O(l) . 
CH2O has a .... b.p. than CH3NH2 . 
H2O has a .... b.p. than H2S . 

determine the the of bod

Potassium Iodine 
Diamond 
Sodium 
Sulfur Dioxide 

 Iron  

Sodium Chloride 

 Potassium 


Calculate the heat required to convert 15.9 g of ethyl alcohol, C2H6O, from a solid at -130°C into the gaseous state at 102°C. The normal melting and boiling points of this substance are -117°C and 78°C, respectively. The heat of fusion is 109 J/g, and the heat of vaporization is 837 J/g. The specific heats of the solid, liquid and gaseous states are, respectively, 0.97, 2.30 and 0.95 J/g/K.

Tutor Answer

(Top Tutor) Daniel C.
(997)
School: UC Berkeley
PREMIUM TUTOR

Studypool has helped 1,244,100 students

8 Reviews


Summary
Quality
Communication
On Time
Value
kevin12622
Nov 29th, 2016
" Goes above and beyond expectations ! "
kiln82
Nov 20th, 2016
" awesome work thanks "
ashleyisgod
Nov 16th, 2016
" Top quality work from this guy! I'll be back! "
likeplum4
Nov 7th, 2016
" Excellent work as usual "
Molly_Moon
Oct 24th, 2016
" AMAZING as always! "
kpcutie
Oct 15th, 2016
" Excellent job "
Hemapathy
Oct 2nd, 2016
" all I can say is wow very fast work, great work thanks "
pmallory
Sep 23rd, 2016
" Totally impressed with results!! :-) "
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1821 tutors are online

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors

Yale University





2325 Tutors