Consider two balloons, one filled with H2 and the other filled with No. The balloons have been filled to identical volumes under the identical temperature and pressure conditions. Both gases may be considered to be ideal. lIdentify if each of the following statements true or false. false v The density of the hydrogen balloon is equivalent to the density of the nitrogen balloon. v The hydrogen balloon contains fewer moles of gas than the nitrogen balloon. v Increasing the pressure of the atmosphere surrounding the balloons will result in the volume of the two balloons increasing by equivalent amounts. v The weight of the hydrogen balloon is lighter than the weight of the nitrogen balloon. When the temperature is decreased, the volume of both balloons decreases by the same amount.

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.