(Solved): help please ASAP 2-125 Which is not a fuel? (a) Hydrogen (b) Water (c) Carbon (d) Sulfur (e) Carbon ...

2-125 Which is not a fuel? (a) Hydrogen (b) Water (c) Carbon (d) Sulfur (e) Carbon monoxide 2-126 When a hydrocarbon fuel is burned completely, the mass of carbon dioxide formed is always the mass of fuel. (a) Less than (b) Equal to (c) Greater than 2-127 When a hydrocarbon fuel is burned completely, the mass of water formed is always the mass of fuel. (a) Less than (b) Equal to (c) Greater than 2-128 When a fuel is burned with 200 percent theoretical air, this is equivalent to (a) $$100\%$$ stoichiometric air (b) $$200\%$$ excess air (c) $$300\%$$ stoichiometric air (d) $$100\%$$ excess air (e) $$100\%$$ deficiency of air