A balloon is filled with 49 grams of neon and it creates a balloon with a volume of 23.5 L. How many moles of neon are in a balloon at the same temperature and pressure that has a volume of 14.9 L?

29.1-12=17.1the answer is this one

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

A. ​it generates energy from carbohydrates.b. it requires activation by oxygen.​c. ​it is used by cells to dispose of excess electrons

Answer(28.02g/mol);