What happens when a mechanical wave travels through a medium?

a ) energy is transferred.

b ) energy is lost.

c ) energy is gained.

d ) energy fluctuates.

Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.