Answer Posted / ravi

CnH2n+2

Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?

3175

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Why is glass electrode called an ion selective electrode?

1007

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What is the function of diethyl amine?

1105

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How do you express the total hardness of water?

1144

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How is hardness of water caused?

1130

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What is a cell?

1145

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How is the measurement of ph made?

1066

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4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:

1037

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How is temporary hardness be removed?

1071

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What is glacial acetic acid? What are its uses?

1069

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Explain the process of spontaneous combustion?

1033

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Explain acid gas?

1044

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Why graphite rod is used in nuclear reactor?

1027

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When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason?? When a cool glass rod is suddenly heated, it cracks. Why?

1028

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What is the unit of ph?

1015

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