The great wall of China is the longest wall ever built. It is about 4,000 miles long and 26
feet tall.
Find its length in kilometers. 1 mi = 1.609km= 5280 ft.
Answer in units of km.

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

If two objects at different te,peraure are in contact with each other what happens to their temperature

In a ball-and-stick molecular model, what do the sticks represent?