Producers of many mouthwash brands claim that using mouthwash prevents tooth decay. What is the best conclusion regarding these mouthwash brands and bacteria in the mouth?

What is a catalyst defined as? a. a substance that speeds up a reaction only b. a substance that speeds up a reaction, and is not used up c. a substance that speeds up a reaction, and is completely used up d.

Magnesium has three naturally occurring isotopes with masses of 23.99, 24.99, and 25.98 amu and natural abundances of 78.99%, 10.00%, and 11.01%. Calculate the atomic mass of magnesium.

Classify the bonds formed between each pair as ionic, polar covalent, or nonpolar covalent based solely on each element's position on the periodic table. O-O, Fe-O, Al-N, O-I, S-I, Br-Br, P-Br, Be-Cl

How do you convert 1.2 cm to inches?

A chemist dissolved crystals of an unknown substance into water at room temperature. He found that 33 g of the substance can be dissolved into 100 mL of water. What property of the unknown substance was the chemist most likely investigating?

Water vapor cools and comes together to form a cloud. This is an example of what change in state? condensation evaporation melting

Which group of the periodic table does this element most likely belong to

What is the ph of a 7.5*10^-3 m H + solution

How many atoms of hydrogen are there in one molecule of C3H5 (OH) 3?

Transferring or sharing electrons between atoms forms