What is alchemy? is it magic? is it ... weird chemistry or science?

Which class of compounds is responsible for the scents and flavors of many fruits? A. amides B. amines C. ethers D. esters

When the electron of a hydrogen atom moves into a higher energy orbit, what is the state of the atom?

How do take off my question when I don't have a question?

Select the characteristics of a hydrogen bond: A an attraction between polar molecules B a gravitational force C intermolecular force between hydrogen and oxygen, fluorine, or nitrogen D hydrogen attracted to weakly positive atoms

Whitney's tidal volume, which is the volume of air that she inhales and exhales, was 0.56 L. Her tidal volume was measured at a body temperature of 37 ∘C and a pressure of 744 mmHg.

For what reasons can a theory be changed

Explain how changes in pressure affect the rate and yield of ammonia produced

What volume of 20 mg/L dye would be required to make 50. mL of. 10 mg/L dye?

A weather balloon at Earth's surface has a volume of 3.9 L at 299 K and 763 mmHg. If the balloon is released and the volume reaches 4.13 L at 720 mmHg, what is the temperature? Answer in units of K.

Molecules that resemble fats but contain phosphate functional groups are called: a. steroids. b. polypeptides. c. phospholipids. d. nucleic acid.