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clean, replace e.g.r. valve, tune up or replace catalytic convertor.

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Q: How do you lower the emission count of HCppm hydrocarbon on a 1990 Chevy caprice classic station wagaon...4bbl carb. 5.0L 305 engine?
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Why does oil miscible in solution of surf and water?

Presumably you mean surfactant and water? A classic surfactant molecule has a polar, hydrophilic end and a non-polar hydrocarbon liophilic end. With enough of a suitable surfactant, oil droplets will form with the liophilic part of surfactant molecules dissolved in the droplets and water molecules attached to the hydrophilic part of the surfactant. The oil disperses in the water.


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Burning petrol is a classic combustion reaction. Petrol is mostly octane, which is a hydrocarbon, C8H18. When it burns, it reacts (explosively!) with oxygen in the air to produce carbon dioxide and water vapor. These are two very common products of most combustion reactions. The water vapor is harmless, but the carbon dioxide is a greenhouse gas, an excess of which is harmful to the environment.


What rhymes with Jurassic?

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"Classic Smog" is the rich, heady mixture of fog, sulfur dioxide and coal smoke particulates that were found in London England in the early 1900's. "New Improved Smog" also known as photochemical smog is the result of nitrogen oxides and volatile hydrocarbon reacting in the presence of sunlight to form ozone, associated polycyclic aromatics and a brown haze popular in modern cities. Especially ones with lots of cars, stagnant air masses and abundant sunshine.


What's the luckiest number?

The classic lucky number is 7. The classic unlucky number is 13. 14 is a luck number too, it comes up EVERYWHERE!