Do the following conversions to the correct number of significant digits k. 100 m to km 9.8 cm to mm-muliply 6.8 x 10 mg to kg m.
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Ответ:
Given the reaction N2 + 3H2 -->2NH3, what volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia, assuming constant temperature and pressure? How would you calculate the mass in grams of hydrogen chloride produced when 4.9 L of molecular hydrogen at STP reacts with an excess of chlorine gas.?