Calculate the volume of oxygen in excess when 20cm3 of hydrogen is sparked in 15cm3 of oxygen at a temperature of 1500C according to the following equation:
2H2(g) + O2(g)  2H2O(g)

a small container that holds a source of energy a solar cell that captures light energy and converts it into electricity a voltaic cell that uses the oxidation of a fuel to produce electricity

explanation:

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.

points

explanation:

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101