The change in entropy, δ s ∘ rxn , is related to the the change in the number of moles of gas molecules, δ n gas . determine the change in the moles of gas for each of the reactions and decide if the entropy increases, decreases, or has little or no change. a. 2 h 2 ( g ) + o 2 ( g ) ⟶ 2 h 2 o ( l )

If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

What is the molar mass of a gas that has density of 2.054 g/l