Chemistry

1 cm = 1/2.54 inch, because there are 2.54 cm in 1 inch.

unit conversions give an equal amount but with other units

molarity

mol/l

usually on the right of the yeild sign
On the right side of the arrow in the equation

3.12 X10^-5

(^-5 = to the power of minus 5)

Another way of writing 3.78x105 is 396.9.

64 grams sulfur (1 mole S/32.07 grams)(6.022 X 1023/1 mole S)

= 1.2 X 1024 atoms of sulfur

====================

1 inch = 2.54 cm. To convert inches to centimeters, multiply by 2.54.

Answer this question… Which of the following is the best definition of a physical change?

A product of a chemical reaction is the substance that is formed.

All of the symbols used in chemical equations are up on the periodic table.

This molarity is 3 mol/L.

The reactants are HCl and NaOH.

36 yards are 3636 = 1296 inches and 12962.54 = 3291.84 cm

C3H6

9.402 x 10^-3