Question

why viscosity of hot liquids is more than that of cold?

Answer 1

i wonder if it has something to do with Kinetic Theory. The higher the temperature, the higher the kinetic energy. So, molecules keep on moving, so in a sense, they do not stay together. Unlike when there's lower temperature and lower KE, the molecules stay very near with each other, making it viscus.

does that make sense?

Answer 2

or maybe i have it upside down

Answer 3

acc to this molecules of hot liquid is far from each other then viscosity of hot liqids should be less. first tell me how u explain viscosity

Answer 4

im getting confused..let me get back to my data

Answer 5

http://wiki.answers.com/Q/What_happens_to_viscosity_as_temperature_increases
viscosity should decrease when temperature rises

Answer 6

so what i said the first time should be right

Answer 7

says here viscosity decreases as temperature rises too http://www.chem.purdue.edu/gchelp/liquids/viscosity.html

Answer 8

but in case of milk viscosity inc with temperature........what is difference

Answer 9

thats why people prefer to have hot milk then cold

Answer 10

because hot milk go slowly in our body than cold

Answer 11

hmm...interesting

Answer 12

its little bit confusing in case of milk

Answer 13

ok i understand