Balance the following reaction: a2b + dc3 --> ac + d2b3hint: don't do this in your head. use a piece of paper and a pencil. when this reaction is balanced, what number must be to the left of ac?

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous