The diagram below shows a representation of a sample of gas at 25°C. Which of the following best represents the same gas at 0.0°C? A B С or D (The diagram is attached)​

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?