Ahelium balloon is filled to a volume of 2.88 x 103 l at 722 mm hg and 19â°c. when the balloon is released, it rises to an altitude where the pressure and temperature are 339 mm hg and -55oc, respectively. what is the volume of the balloon (in l)

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Can a molecule have bond dipoles but not have a molecular dipole?