How can scientists check if a substance contains alkenes?
a.
test the boiling point
c.
look at the color
b.
examine the flash point
d.
test with bromine water

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

  the mississippians were considered to be  horticulturalists, which means they were