20
18
16
2
Correct answer is A
No explanation has been provided for this answer.
coulombic
ionic
covalent
Van der waals
Correct answer is D
No explanation has been provided for this answer.
average velocity of the molecules
number of collisions between the molecules
density of the molecules
free mean path between each molecules and other
Correct answer is B
No explanation has been provided for this answer.
112.0 dm3
67.2 dm3
56.0 dm3
44.8 dm3
Correct answer is B
C3H8 + 5O2 → 3CO2 + 4H2O
When the mixture is ignited CO2 is collected as product. From the equation 33 moles of CO2 is produced which equals 3 x 2.4 dm3 = 67.2 dm3 at S.T.P
constant composition
conservation of matter
multiple proportions
definite proportions
Correct answer is C
law of multiple proportions, statement that when two elements combine with each other to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.