Why does a rubbed ballon stick to a wall

Novelty devices for predicting rain contain colbalt chloride and are based on the following equilibrium: CoCl2 (s) + 6H2O (g) = CoCl2.

A 250.0 gram block is placed on a balance. The balance measures the mass of the block as 243.9 grams. What is the percent error of the block

Why do covalent bonds not involve the transfer of electrons

What volume of a concentrated hcl solution, which is 36.0% hcl by mass and has a density of 1.179 g/ml, should you use to make 8.00 l of an hcl solution with a ph of 1.500?

What is the name of the ionic compound wwith the formula k (2) s?

When making a solution of sugar and water, you begin with a 500 ml beaker, 10 grams of sugar, and 400 ml of distilled water. which procedure will allow you to dissolve the most sugar in the least amount of time?

What is the definition of covalent bond?

How many grams of H2O will be produced if 18.1 grams of Fe are produced? Fe3O4 + H2 - Fe + H20 Select one: O a. 7.8 Ob. 75 O c. 17 O d. 1.5

1. Where are the most massive elements found on the periodic table? A at the bottom right B at the top right C at the top left D at the bottom left

Lenny accidentally drops his matchbox car into a graduated cylinder. if the car has a mass of 10 grams and the water level in the cylinder rises from 41 ml to 46 ml. determine the density of the matchbox car. the formula for density is d = m v