Elementary Chemistry a Laboratory Manual
Elementary Chemistry a Laboratory Manual
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In our eReader you can find the full English version of the book. Read Elementary Chemistry a Laboratory Manual Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Elementary Chemistry a Laboratory Manual
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Then straighten the paper out so as to form a scale of eight equal divisions to serve as a measure of the vol- ume of the test tube. Instead of the above, any rule or scale may be used.
Fill the test tube about one-eighth full of dry pyro- gallic acid, and, holding the test tube so that the thumb may be three-eighths of the distance from the bottom, pour in potassium hydroxid solution up to the level of the thumb. Immediately close the tube with the thumb and shake the air and solution well tog...ether for 64 Elementary Chemistry several minutes. Open the test tube with the thumb under water in a pneumatic trough (a beaker will do) and let stand for a few minutes so that the air may come to the temperature of the room. By means of the scale measure the volume of the gas left in the test tube, lifting it up so that the level of the water inside and out may be the same. How many volumes of air did you take ? How many volumes of gas have you now? How many volumes of oxygen were ab- sorbed ?
What to read after Elementary Chemistry a Laboratory Manual?
You can find similar books in the "Read Also" column, or choose other free books by C E Charles Elijah Linebarger to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Then straighten the paper out so as to form a scale of eight equal divisions to serve as a measure of the vol- ume of the test tube. Instead of the above, any rule or scale may be used.
Fill the test tube about one-eighth full of dry pyro- gallic acid, and, holding the test tube so that the thumb may be three-eighths of the distance from the bottom, pour in potassium hydroxid solution up to the level of the thumb. Immediately close the tube with the thumb and shake the air and solution well tog...ether for 64 Elementary Chemistry several minutes. Open the test tube with the thumb under water in a pneumatic trough (a beaker will do) and let stand for a few minutes so that the air may come to the temperature of the room. By means of the scale measure the volume of the gas left in the test tube, lifting it up so that the level of the water inside and out may be the same. How many volumes of air did you take ? How many volumes of gas have you now? How many volumes of oxygen were ab- sorbed ?
What to read after Elementary Chemistry a Laboratory Manual?
You can find similar books in the "Read Also" column, or choose other free books by C E Charles Elijah Linebarger to read onlineMoreLess
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