The diagram represents the chemical reaction that occurs when propane combusts. :
+
C3H8 + 502
3CO2
+
4H20 + Heat and
light
Propane Oxygen Carbon
Water
gas
dioxide
In the reaction, for every molecule of propane, how many molecules of oxygen are used?

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

What substance has a mass of 9.5g and volume of 2.1cm^3

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.