Chapter 10

Question 1

sum of the atomic masses of each atom in a compound -

Answer 1

formula mass

Question 2

it is also used to calculate how much of a compound is needed in a chemical reaction -

Answer 2

formula mass

Question 3

3 steps on how calculate formula mass -

Answer 3

find # of each element
multiply by atomic mass by how many there are
add all the products

Question 4

C5 H12 O5

Answer 4

xylitol

Question 5

__________________ atoms in one atom mass -

Answer 5

6.02 x 10 23

Question 6

the atomic mass = 1 _________ ______

Answer 6

molar mass

Question 7

it shows how the number of atoms is related to the mass of an element -

Answer 7

mole

Question 8

they are hard to measure on a balance -

Answer 8

gas

Question 9

their volume changes according to the container -

Answer 9

gas

Question 10

true or false

equal volumes of gas at the same temperature & pressure, contain the same # of molecules.

Answer 10

True

Question 11

tells how fast particles are moving -

Answer 11

tempertature

Question 12

tells how hard is the air pushing on the inside of the box -

Answer 12

pressure

Question 13

atoms …

Answer 13

6.02 x 10 23

Question 14

gas …

Answer 14

22.4 liters

Question 15

mass ….

Answer 15

grams of the element

Question 16

what is a mole -

Answer 16

6.02 x 10 23 of anything

tell us the # of atoms there are related to the mass of an element