Can someone list the observable changes that indicate a physical change has occurred? Same for chemical change?

Which of the following questions can use science as a method of inquiry? A-What is the density of water? B-Which type of music is better, country or rock? C-Should baby girls be dressed in pink? D-When is it appropriate to take medication?

What is taxonomic richness

The interactions within the molecule are called? a. intramolecular forces, b. hydrogen bonding, c. intermolecular forces, or d. dispersion forces?

If all of the chloride in a 4.106-g sample of an unknown metal chloride is precipitated as AgCl with 70.90 mL of 0.2010 M AgNO3, what is the percentage of chloride in the sample?

It has been determined that the body can generate 5500 kJ of energy during one hour of strenuous exercise. Perspiration is the body's mechanism for eliminating this heat.

One example of possible evidence of chemical reaction

True or False? Urea has a high solutiblity in water, due in part to its ability to form hydrogen bonds

Atomic weight of 20 elements

What information would you need in order to convert Molarity to % by volume

How to determine the charge of a polyatomic ion?