How much mass would a nucleus that is composed of 15 protons and 18 neutrons have?

How are heterogeneous mixtures and solutions different?

Which two objects would experience the greatest gravitational force between them?

What can you learn from air and soil temperature

You have a powder that dissolves in water to form a strong acid. You dissolve 2g of the powder in 100ml of water, and measure the pH to be 4. You would like to form 100ml of a solution with pH 5.

Which tool was most likely used in a procedure if the lab report shows that approximately 300 mL of water was used?

Which of the following statements about the nucleus is false? A. Able to be lost or gained in chemical reactions. B. Contains nearly all of the mass of the atom. C. Made up of protons an neutrons. D. None of these

All Organisms the energy to function. Which cell organelle provides this energy? A. Nucleus B. Ribosomes C. Chloroplast D. Vesicle

Where can membrane proteins be located? a. entirely within the membrane b. on the surface of the membrane c. in either position d. The position of membrane proteins has never been determined

1. (a) What are the possible interactions between two charged objects?

You are given a substance that is equally soluble in water and hexane, what is the kd