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The value from EIA is pounds of $CO_2$ produced per kWh of thermal energy produced, while those from the latter two sources are pounds of $CO_2$ produced per kWh of electrical energy produced. Since the thermal efficiency of coal-fired plants is ~37% (~37% of the coal's thermal energy is converted to electrical energy), converting the EIA figure to pounds ...

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In the first case hydrogenation occurs(anti addition) whereas in the second case, acid base neutralization occurs. So they aren't identical. According to Wikipedia, Sodium amide can be prepared by the reaction of sodium with ammonia gas. The reaction is fastest at the boiling point of the ammonia, $\pu{−33 °C}$. An electride, $\ce{[Na(NH3)6]+e-},$ is ...

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The most common constituents of gasoline are branched alkanes (25-40%), mostly having 5 or 6 carbons, and aromatics (20-50%) (mostly alkylbenzenes like 1,2-, 1,3-, and 1,4-xylene). Under standard conditions, there is no chemical reaction between these stable hydrocarbons and ethanol. It should probably be a more-or-less homogeneous mixture of these ...

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