Chemistry, 03.12.2019 03:31 xarianna2007
Astudent observed that a small amount of acetone sprayed on the back of the hand felt very cool compared to a similar amount of water. your explanation of this phenomena should be that
a.) all organic compounds do this
b.) acetone has a lower viscosity and transfers heat quanta better
c.) water has a higher heat capacity than acetone therefore retaining more heat
d.) the higher vapor pressure of acetone results in more rapid evaporation and heat loss
Answers: 2
Chemistry, 21.06.2019 21:00, 5041
Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?
Answers: 1
Chemistry, 21.06.2019 22:30, Arealbot
Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
Answers: 2
Chemistry, 22.06.2019 03:50, Pizzapegasus1
Express the following number in scientific notation. 0.026890 =
Answers: 1
Astudent observed that a small amount of acetone sprayed on the back of the hand felt very cool comp...
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