How many essential amino acids are needed to create a complete protein

According to Le Chatelier's principle, what always happens to the equilibrium of a reaction when the temperature is reduced? A.) It shifts to the right. B.) It shifts to the left. C.) It shifts in the exothermic direction. D.

A device that generates an electrical current by taking advantage of a difference in the spontaneous tendency of substances to lose and gain electrons is called an A) electrochemical cell. B) electrolysis cell. C) electroplating cell.

Which solutions, acid or alkalis, Turns fat into soap

Water (H2O) is a liquid at room temperature. Ammonia (NH3) is a gas at room temperature. Both are polar covalent compounds. Which compound most likely has the strongest intermolecular forces? a. water b ammonia

if you have 10.0 grams of baking soda with enough citric acid, how many miles of carbon dioxide can you produce

What is the term for the amount of salts in water? Evaporation Evaporation Salinity Thermocline Density

In an acid-base titration, of 20 ml of a m HCI solution with 1 m NaOH. How many ml of NaOH are needed

Which of the following is not a source of air pollution related to human activities

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?