Chapter 5 The Mole and Chemical Formulas

Question 0

Mole

Answer 0

6.02x10 power 23 objects

Question 1

Formula Mass

Answer 1

Of a substance is the sum of the atomic masses of all the atoms represented in the chemical formula of the substance

Question 2

Avogadro’s number

Answer 2

Is the name given to the numerical value 6.02x10 power 23

Question 3

1 mole=?

Answer 3

6.02x10 power 23

Question 4

Molar mass

Answer 4

Of a substance is a mass in grams that is numerically equal to the substance’s formula mass.

Question 5

Formula mass =?

Answer 5

Atomic mass (amu/g)

Question 6

Mole is?

Answer 6

Is the amount of substance in a system that contains as many elementary particles (atoms, molecules, or formula units). As there are 12C6 atoms in exactly 12 grams of 12C6.

Question 7

Calculating the mass of a molar quality of compound is ?

Answer 7

moles of substance to grams of substance

Conversion factor involving molar mass

Question 8

Calculations Using Molar Mass?

Answer 8

Grams of Substance to Moles of Substance

Question 9

Molar interpretation of chemical formula subscripts?

Answer 9

moles of compound to moles of element within compound.

Conversion factor involving chemical formula subscripts

Question 10

Formula subscripts

Answer 10

moles of A to moles of B

Question 11

Grams of A to?

Answer 11

moles of A

Question 12

Grams of B to?

Answer 12

Moles of B

Question 13

Set up conversion for grams of A to grams of B?

Answer 13

Grams of A Molar mass to Moles of A formula subscripts Moles of B Molar mass Grams of B

Question 14

Chemical Equation

Answer 14

Is a written statement that uses symbols and formulas instead of words to describe the changes that occur in a chemical reaction

Question 15

Reactants

Answer 15

(Starting materials) are always written on the left side of the equation.

Question 16

Products

Answer 16

(Substances produced) are always written on the right side of the equation .

Question 17

Reactants/Products are separated by?

Answer 17

An arrow pointing toward the products.

Question 18

What is used to separate different reactants or different products ?

Answer 18

Plus signs

Reactants side means reacts with

Product side mean and

Question 19

Balanced Equation

Answer 19

Has the same number of atoms of each element involved in the reaction on each side of the equation.

Question 20

Monatomic

Answer 20

He,Ne,Ar, Kr, and Xe.

Question 21

Diatomic

Answer 21

H2, O2, N2, F2, Cl2, Br2 (vapor), and I2 (vapor).

Question 22

Tetratomic

Answer 22

P4 (vapor), As4 (vapor)

Question 23

Coefficient

Answer 23

Is a number that is placed to the left of the chemical formula of a substance and that changes the amount, but not the identity of the substance.

Question 24

Moles of A to Moles of B ?

Answer 24

Equation coefficients