The equation 2NaNO3 + CaCl2 - -> 2NaCl + Ca (NO3) 2 is balanced. How many atoms of oxygen (O) are there on either side of the equation?

a.) four

b.) six

c.) two

d.) one

Question 8 1 pts What is the difference between a cell wall and a cell membrane? The cell wall produces food, the cell membrane breaks down the food to release energy The cell wall blocks substances from leaving the cell membrane allows materials

What are the basic steps of the scientific method?

Explain why the offsrping with Gg genes for pod color look the same as a pea plant with GG genes for pod color

Blood has a ph of 7.35 to 7.45. gastric juice has a ph of about 2.0. the

Two major discoveries of the gold foil experiment

In ionic bonds, valence electrons are

When an aqueous solution of silver nitrate is mixed with an aqueous solution of potassium chloride which are the spectator ions?

Investigating changes in colligative properties involves the measurement of a solution's concentration in molality instead of molarity because

Consider the following representation of a reaction mechanism. Step 1: Unimolecular (fast) Step 2: Bimolecular (slow) Step 3: Unimolecular (fast) Which conclusion about the rate law for the reaction above is reasonable? A.

1. Which of the following best describes an example of pure chemistry? a) testing the effects of lower concentrations of a drug on humans b) studying chemicals containing carbon c) developing a cure for osteoporosis d) finding an antidote for a new