The Arithmetic of Chemistry Being a Simple Treatment of the Subject of Chemical
The book The Arithmetic of Chemistry Being a Simple Treatment of the Subject of Chemical was written by author John Waddell Here you can read free online of The Arithmetic of Chemistry Being a Simple Treatment of the Subject of Chemical book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Arithmetic of Chemistry Being a Simple Treatment of the Subject of Chemical a good or bad book?
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, Sci. And Med. , 1898. ) Ans. 17. 66 litres. 28. Calculate the weight of 10 litres of air, measured at o C. And 760 mm. Pressure, containing 21% of oxygen and 79% of nitrogen. (Lond. Matric. , June, 1888. ) TFfr X 32 + ^X 28 = 28. 84 grammes in 22. 4 litres. - x 28. 84 = 12. 88 grammes. Ans. 29. If hydrogen were passed over 100 grammes of heated copper oxide as long as action took place, what would be the quantities of the resulting substances, and what volume of the gas measured at the standa...rd tem- perature and pressure would be needed to complete the change? (London Matric. , June, 1893. ) Ans. Copper = 79. 9 grammes; water = 22. 65 grammes; hydrogen =28. 2 litres. 64 ARITHMETIC OF CHEMISTRY 30. A cubic metre of steam measured at noC. , and under standard pressure, is condensed to water at 4 C. ; what would be the bulk of the water, and what volume of hydrogen (at o C. And 760 mm. ) would afford such a quantity of water when burned? (London Matric. , Jan- uary, 1894. ) i c. C. Of water at 4 C.
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