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Author Question: The pH of a 0.200 M HCN solution, Ka= 6.2 1010,is less than 3. (Read 26 times) |
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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There are more sensory neurons in the tongue than in any other part of the body.
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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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Blood is approximately twice as thick as water because of the cells and other components found in it.