Aballoon is filled with helium at sea level. the volume was measured to be 3.1 liters at a pressure of 0.97 atm. if the balloon is released, it drifts upward. at a height of 4 kilometers, the pressure is measured to be 0.61 atm. what is the new volume of the balloon?

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Which statement can best be concluded from the ideal gas law?

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.