Table sugar is not a mineral because: Select one: a. it is in crystal form. b. it is made of more than one element. c. it is not made by a geologic process. d. Its chemical composition is always changing.

The ph of a solution is changed from ph 6 to ph 10. does this reflect an increase or decrease in [h+]?

Substance in mixtures do not change chemically. True or false

Two atoms that are isotopes of one another must have the same number of what? A. neutrons B. protons C. all particles D. atomic mass

A 118.63 g sample of SrCl2·6H2O was heated and 34.81 grams of water were recovered from the sample. What percent of the original H2O remains in the sample following this heating?

How would you respond to roger? a. roger is incorrect. the melting wax is a physical change but there is no chemical change taking place. b. roger is correct. lighting the match is a chemical change and burning the candles is a physical change. c.

Convert 15.0 inches to meters. Show detailed work

Titration experiments require the use of a ... Watch glass Burette Crucible Bunsen burner

Hat is the ultimate source of energy for the Earth? a. photosynthesis b. respiration c. the sun d. nutrient cycles

If an object sinks in water it's density is less than that of water true or false

How many moles are in 24 grams of FeF3