16. which of the following chemical formulas represents an acid?
a. h2so4
b. koh
c. no2
d. cuso4

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore

The fact that the total amount of energy in a system remains constant is a(n)