4. Again, have someone hold the mirror for you, slowly move at least 3 m away from the mirror. How do you compare your image when you were observing it
closer in front of you and when you were 3m away from the mirror?
Q4​

Why does his teacher ask him to balance the equation by including the correct coefficient

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?

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?