Which choice best describes a testable hypothesis? A.) Carrots look better when given more water.

B.) Lilacs are better smelling than roses.

C.) Mountain lions travel over 100 km per day.

D.) The bacterium E. coli is worse than the bacterium S. aureus.

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.