A pressurized tank contains a mixture of oxygen and helium. If the partial pressure of oxygen is 10 atm and the partial pressure of helium is 32.8 atm what is the total pressure inside the tank? a. 10 atm c. 32.8 atm
b. 22.8 atm d. 42.5 atm

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

Which of these is a density dependent factor? a. epidemic b. earthquake c. drought d. hurricane