How does physical properties differ from chemical properties?

a.) physical properties can be observed and chemical properties cannot.
b.) physical properties cannot be observed and chemical properties can.
c.) chemical properties are observed using your senses.
d.) chemical properties can only be observed using your taste sense.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Calculate the number of molecules present in 0.750 mol of mgo.

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