General Chemistry

Question 0

Density (units and formula)

Answer 0

units: g/ml
formula: D=M/V

Question 1

PV= ?

Answer 1

nRT

Question 2

At STP the variable ‘V’ is defined as ______.

Answer 2

22.4 L

Question 3

At STP the variable ‘R’ is defined as ______.

Answer 3

8. 31 J/mol

0. 0821 Latm/molK

Question 4

At STP the variable ‘P’ is defined as ______.

Answer 4

1 atm

Question 5

At STP the variable ‘n’ is defined as ______.

Answer 5

1 mole

Question 6

At STP the variable ‘T’ is defined as ______.

Answer 6

273K (0°C)

Question 7

Molarity =

Answer 7

mol/L

Question 8

Molality =

Answer 8

mol/(kg solvent)

Question 9

Describe the periodic trend of atomic radius.

Answer 9

It increases as you go down and to the left (ignoring the noble gases, which do not fall in this trend, and are large)

Question 10

Describe the periodic trend for electronegativity.

Answer 10

It increases as you go up and to the right.

Question 11

Describe the periodic trend for ionization energy.

Answer 11

It increases as you go up and to the right.

Question 12

Describe the periodic trend for electron affinity.

Answer 12

it increases as you go up and to the right.