Which one of the following is not a balanced equation? explain why.
a. c3h8 (g) + o2 (g) → co2 (g) + h2o (g)
b. c3h8 (g) + 5o2 (g) → 3co2 (g) + 4h2o (g)
c.2mg (s) + o2 (g) → 2mgo (s)
d.4na (s) + o2 (g) → 2na2o (s)

What happens to the atomic radius when an elctron is lost

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table