8. How many protons are in C-12? C-13? C-14?

How many moles of 18L of NH3 at 30 celcius and 912 mmHg? how many grams?

If an element has 4 protons and 5 neutrons its mass number is

Glucose is a simple sugar. It would most likely be found in which of the following foods?

Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution? A. In acids, [OH-] is greater than [H3O+]. B. In bases, [OH-] = [H3O+]. C. In bases, [OH-] is greater than [H3O+]. D.

A molecular technologist has run a vertical get. While analyzing the gel, the technologist notices that the bands in the outer lanes did not run as far as similar-sized bands in the inner lanes, so the bands looked like a smile on the gel.

Write the neutralization reaction that occurs between h2se and lioh.

How many oxygen molecules are in 3.36 L of oxygen gas at STP

As baby scorpions grow larger, which process occurs in their body (somatic) cells? A. Meiosis splits the chromosome numbers by four B. Meiosis produces all of the new body cells. C. Mitosis makes copies of the cell nuclei. D.

HC]A laboratory experiment requires 2.0 L of a 1.5 M solution of hydrochloric acid (HCl), but the only available HCl is a 12.0 M stock solution.

True or False: The halogens are nonmetals with a - 1 charge. True False