An internal combustion engine uses liquid peanut $($C$4$H$10)$ fuel, at a rate of $0\mathrm{.}005$Kg$/$s and air at a rate of $120\%$ of the theoretical air.

The air and fuel enter the engine at a temperature of $25$C and the exhaust gases leave at a temperature of $900$C$.$

$1.$ For each mole of butane, how many moles of oxygen are there in the combustion products?

$2.$ What is the dew point of the products?

$3.$ What is the thermal power emitted in the burning process?

If it is known that $90\%$ of the carbon in the fuel is burned to CO$2$ and the remaining $10\%$ is burned to CO:

$4.$ How many moles of oxygen are there in the products per mole of butane?

$5.$ What is the dew point of the products?

$6.$ What is the thermal power emitted in the burning process?