The Arithmetic of Chemistry Being a Simple Treatment of the Subject of Chemical
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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.
What to read after The Arithmetic of Chemistry Being a Simple Treatment of the Subject of Chemical?
You can find similar books in the "Read Also" column, or choose other free books by John Waddell to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
, 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.
What to read after The Arithmetic of Chemistry Being a Simple Treatment of the Subject of Chemical?
You can find similar books in the "Read Also" column, or choose other free books by John Waddell to read onlineMoreLess
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