Methane, has a molar mass of 16.03 grams per mole. How many particles of 1 point methane are present in 120 grams? ​

Find the mass in grams of hydrogen gas produced when 14.0 moles of hcl is added to an excess amount of magnesium.

The boiling point of liquids is very high what does it indicate

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.