Many substances can go through physical and chemical changes. which of the following is an example of a physical change? question 6 options: using heat and oxygen to burn wood using heat to scramble an egg mixing co2 , water, and sugar to form soda mixing baking soda with vinegar to form co2

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

1. list three scientific reasons cockroaches may fly.

What is the molar mass of ca(cio4)2