Chapter 10 Flashcards Preview

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Flashcards in Chapter 10 Deck (16):
1

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

formula mass

2

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

formula mass

3

3 steps on how calculate formula mass -

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

4

C5 H12 O5

xylitol

5

__________________ atoms in one atom mass -

6.02 x 10 23

6

the atomic mass = 1 _________ ______

molar mass

7

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

mole

8

they are hard to measure on a balance -

gas

9

their volume changes according to the container -

gas

10

true or false

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

True

11

tells how fast particles are moving -

tempertature

12

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

pressure

13

atoms ...

6.02 x 10 23

14

gas ...

22.4 liters

15

mass ....

grams of the element

16

what is a mole -

6.02 x 10 23 of anything

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