State the concentration of hydrochloric acid if 20.0 cm
is neutralised by 25.0 cm
of sodium hydroxide of
concentration 0.200 mol dm-3

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

How does a hydroelectric power plant converts energy into energy.