Which of these is a mixture?

A. carbon

B. carbon dioxide

C. air

D. oxygen

What is the molecular geometry of F2?

What is the molarity of a solution in which 58g of nacl are dissolved in 1.0l of solution?

An empty graduated cylinder has a mass of 11.4g. When it is filled with an unknown liquid to the 45.2 mL mark the cylinder and the liquid together weigh 95.1 gram. What is the density of the unknown liquid?

Dimensional analysis definition chemistry

What is the difference between the mass number for carbon - 14 and carbon's atomic number of 12.011 amu

In the ground state, has only 1 electron in a p orbital. A. carbon B. fluorine C. hydrogen D. nitrogen E. aluminum

Which of the following is a mixture? alcohol water mercury ink

A gas occupies 3.5 L at standard pressure. Find the volume of the gas when the pressure is 1.5 atm.

What is the temperature (in K) of 16.45 moles of methane gas in a 4.95 L container at 4.68 atm?

What do we call the process by which cells obtain the energy that they need?