A sealed jar contains 4 gases. The pressure from the nitrogen is 0.109 atm, from oxygen is 0.203 atm, from carbon dioxide is 0.060 atm, and from argon is 0.458 atm. What is the total pressure of the jar in atmospheres?

Draw the lewis dot structure for each of the following polyatomic ions

What are several ways to reduce the effect of friction

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium