What scientist use the scientific method to determine if cold was a substance?

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.