Energy can be changed from one form to another. Changes in the form of energy are called energy conversions. Identify which best describes the energy used to pluck guitar strings to make sound. A) electrity B) electromagnetic C) heat D) mechanical

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

One similarity and one difference between an element and a mixture of elements