Hydrogen as a fuel and sustainability

Last updated 12 months ago
1 question
Sustainability
Energy given out during hydrogen_______________   is the same as the energy taken in during hydrogen formation during _________________ . 
The___________  fuels are used to supply energy produce ________ which is a ________________ gas that contributes to ____________warming and ____________  
change.
The high _______________  energy for making hydrogen means a lot of fuel is needed 
Combustion reaction is _______________ / gives out energy 
Combustion reaction gives out a lot of energy 
Hydrogen combustion has a small activation energy 
Points about making hydrogen energy change
Making hydrogen is ________________  takes in energy 
Making hydrogen takes in a lot of energy as there is a large activation ___________ 