Aweather balloon is inflated to a volume of 2.2×10^5l with 37.4g of helium. what is the density of helium in grams per liter?

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

The atomic number of an element is based on the number of electrons around its core mass of its nucleus number of protons in its nucleus number of neutrons in its nucleus

Aballoon is floating around outside your window. the temperature outside is -5 ∘c , and the air pressure is 0.700 atm . your neighbor, who released the balloon, tells you that he filled it with 4.80 moles of gas. what is the volume of gas inside this balloon?