There is a temperature change of 3 °C in the room when 1.5 kg of water flows through the radiator each second.
The specific heat capacity of water is 4200 J/kg°C.
i.
Calculate the amount of energy given to the room by the 1.5 kg of water as it passes
through the radiator.
Show your working and write down the unit.

The air that we breath is made mostly of which gaseous molecule

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

Use vsepr theory to predict the molecular geometry of the molecule hcn.