What type of energy does water gain as it sits in the sun?
O
A. Heat energy
O
B. Electrical energy
O
C. Chernical energy
O
D. Mechanical energy

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

Geothermal energy for industrial use is available almost anywhere. a.true b.false

Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .