On complete combustion of a hydrocarbon 0.88g of carbon (iv) oxide and 0.36g of water
were formed (i) calculate the molecular formula of the hydrocarbon given that relative
molecular mass of the hydrocarbon is 70. (c = 12, O= 16)

Why do cells appear different in distilled water than they do in 10% salt water?

What is the atomic number of an atom that has 6 protons

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?