What happens when iron and oxygen combine to form rust

What is the ph of a 0.500 m solution of benzoic acid, pka = 4.19?

What net ionic equation describes the reaction between Pb (NO3) 2 (aq) and Na2CO3 (aq) ?

A car moves with an average speed of 45 miles/hour. How long does the car take to travel 90 miles? OA. 2 minutes OB. 2 hours C. 45 minutes OD. 45 hours 90 minutes

A solution containing large amounts of solute in comparison to solvent is what?

What does the Kinetic Theory of Matter state that matter is composed of?

To identify an unfamiliar organism, you could use a field guide and an

What is the value of Kw at 25°C? 1.0 x 10-14 1.0 x 10-7 1 7 14

Which statement best describes a bacterial cell? A It contains more than one cell. B It is a complete organism. C It is part of a larger organism. D It contains different kinds of cells

Lithium (Li) and oxygen (O) are both in period 2. They both have? a. similar properties b. the same number of protons c. two electron shells d. the same number of electrons

What compares a law and a theory?