1. Coal tar fuels are liquid fuels obtained by blending coal tar distillation products such as carbolic oil, naphthalene oil, creosote oil and anthracene oil. A sample elemental analysis shows 85.9% C, 6.3% H, 1.2% S, 5.5% O and 1.1% N. If this fuel is burned in excess air at 30°C with 90% RH, it produces a burner gas containing 10.64% CO2, 3.19% CO and 0.64% H2. Assume barometer is normal. Calculate: a. % excess air b. Complete Orsat analysis of the bumer gas c. Dew point of the stack gas

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Steady State Model

The steady-state model typically states that the entire universe is always enlarging, although it balances a fixed average density and matter that is being constantly generated to make new galaxies, star forms at a similar rate that the previous ones get indistinguishable due to the growing range and velocity of recession.