The volume of water in a tank is 750 litres when it is full. If the length and breadth of the tank are 150 cm and 50 cm respectively, find the height of the tank.

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.