For which of the following activities might you want to hire a chemist?

testing a sample of water from a well

finding a comet

examining the structure of plant cells

building a garage

A substance with a pH of 5 is a: a. weak base b. strong base c. weak acid d. strong acid

Which of the following is a matter phase in which a substance will take on the shape of its container, but not expand to fill the container? liquid, gas, solid, or all of these?

What is the mass of 3.75 moles of NaCl

The bond formed from electrons that are transferred is a (n) ionic bond hydrogen bond covalent bond

Describe the effect of water temperature on the amount of dissolved gases in water.

Objects and substances in motion is I

If you were to remove an electron from a sodium atom that has eleven protons, what would be the electrical charge of the ion?

The atomic mass of fluorine in 19.0 amu, so the molar mass is?

A rod shaped organism with no nucleus commonly found in Garbage will most likely belong to which kingdom

Alka-Seltzer is a solid mixture of two substances, sodium bicarbonate (NaHCO3) and citric acid (H3C6H5O7). The substances react to form water, carbon dioxide (CO2), and Na3C6H5O7.