Chemistry, 05.12.2020 04:40 Beast3dgar
The Bird of Paradise is a species that has been observed in the jungles of New Guinea. In an attempt to attract females, the males shake their bodies and sometimes hang upside down to show off their bright colors and long feathers. Females generally choose to mate with the "showiest" males. Which concept is supported by these observations?
Answers: 2
Chemistry, 21.06.2019 21:30, awdadaddda
How air particles exert a pressure on the inside of the balloon
Answers: 1
Chemistry, 22.06.2019 02:10, vapelordcarl69
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 22.06.2019 22:00, jlegrand9098
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
Answers: 2
Chemistry, 23.06.2019 00:00, PlzNoToxicBan
What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm
Answers: 1
The Bird of Paradise is a species that has been observed in the jungles of New Guinea. In an attempt...
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