How can carbon 14 and carbon 12 be the same element when both have the same number of protons (6 protons) but different number of neutrons? explain your answer

If an aqueous solution is very dilute, will its molality be greater than its molarity, nearly the same as its molarity, or smaller than its molarity?

3.15 g of an unknown gas at 35 °C and 1.10 atm is stored in a 1.85-L flask. What is the density of the gas? what is the molar mass of the gas?

How does increasing the polarity of the solvent system affect the results of a TLC?

How many grams of water will form if 10.54 g H2 react with 95.10 g O2

What is the molarity of 10g of carbon in a 500L solution?

What are the properties of all metals

What happens when carbon dioxide at 74°C is placed in thermal contact with water at 14°C? Energy leaves the carbon dioxide and enters the water. The water gets hotter than the carbon dioxide. The temperatures of the two substances equalize.

What scientific knowledge was necessary for Kroto, Smalley, and Curl to discover buckyballs? Check all that apply. All matter is made of atoms. Atoms bond together in certain ways. Carbon atoms have a specific mass.

A 20.0 ml sample of 0.150 m ethylamine is titrated with 0.0981 m hcl. what is the ph after the addition of 5.0 ml of hcl? for ethylamine, pkb = 3.25

1. An atom that has an outer shell that is NOT full is (more likely OR less likely) to be reactive than an atom that has a full outer shell.