How many molecules are in 15 grams of Oxygen gas?

Find the molarity of a solution containing 12 grams of LiOH in 500 milliliters of solution. Select one: a. 2 M b. 0.04 M c. 1 M d. 0.5 M

2. Which of the following substances is the most soluble in water? carbon sodium chloride bromine methane

Compare the properties of the following: α particles, cathode rays, protons, neutrons, and electrons.

Determine the volume of hexane that contains 5.33 * 1022 molecules of hexane. The density of hexane is 0.6548 g/mL and its molar mass is 86.17 g/mol. Determine the volume of hexane that contains 5.33 * 1022 molecules of hexane.

How many excess electrons must you add to an object to give it a charge of - 6.50 μc?

159 l of hydrogen gas reacts with excess chlorine gas. what is the maximum amount of gas product that can be formed at stp

You and your friends are at the park on a sunny day, and you are playing on the slide. As you sold down, the hot slide burns your legs. Explian why this happened and why you didn't burn your hands when you climbed up the rope ladder

The physical properties of a compound are similar to those of its elements. true or false

How many grams of water can form if 113 g of acetylene is burned?

A cracker crushed in water will test positive with iodine but negative with benedict's solution. A cracker crushed in water has another chemical called amylase added to it.