What is the molar mass of CaCL2•2 H2O

All atoms of an element always have the same number of question 4 options: electrons protons electrons neutrons save

There are three competing factors at play here: 1. The effective nuclear charge 2. The size of the atom and the force of attraction according to Coulomb's law 3.

Describe the process of inhalation and exhalation with regard to the contraction of the diaphragm - which is an active process and which is passive?

In this equation 2mg+o2=2mgo what is the subscript of the oxygen molecule

2. Which of the following is unique for any given element? A its mass number B the number of its neutrons C its atomic number

When you drop a sugar cube in a glass of water, at first the water doesn't taste sweet. Later, it tastes very sweet. Eventually, the water will taste equally sweet throughout. What term explains molecule movement to maintain a balance?

Using density what is the mass in grams of 150mL of a liquid with a density of 1.4 g/mL

All of the following can be recycled except clothing aluminum cans compact fluorescent bulbs plastic drink bottles

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.0 L of water upon warming from 25 ∘C to 50 ∘C.

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure.