Propane gas (C3H8) and air enter a constant pressure combustor at 7 celcius and 1 atm. The mass flow rate of propane is 0.005 kg/min and 50% excess air flows into the combustor. What is the air-to-fuel ratio?

the correct choice is a .

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  the unit of the measure =

explanation:

  the property that is quantified by the energy needed per of material to raise the temperature by one.

  si unit of energy = joule (j)

  si unit of temperature = kelvin (k)

  si unit of mass of material = kilogram (kg)

the property that is quantified by the energy needed per of material to raise the temperature by one is called specific heat.

the unit of specific heat is

e/c, where e is its total energy