Question
Under which conditions is the volume of a gas directly
proportional to the number of molecules?Solution
The volume of a gas is directly proportional to the number of molecules, provided that both temperature and pressure conditions remain constant, according to Charles's and Boyle’s Laws.
110, 156, 212, ?, 354, 440
31, 60, 118, 234, 466, ?
10, 10, 15, 30, 75, ?
12, 33, 45, 78, 123, 201, ?
250 Â Â Â 25 Â Â Â Â 5 Â Â Â Â ? Â Â Â Â 0.6 Â Â Â Â Â 0.3
What will come in place of the question mark (?) in the following series?
18, 26, 37, 51, ?, 88
289    169      121       ?      25       9
...14, 20, 29, 44, 65, ?
12, 16, ?, 48, 76, 112
12, 34, 64, ?, 140, 182