The air inside a bubble gum bubble is at atmospheric pressure. imagine someone continuing to blow into that bubble. what happens when the bubble's volume is doubled?

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

How do scientists think that gravity affected the formation of our solar system?