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Tutor profile: Līga G.

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Līga G.
Second year bachelor student of Chemistry
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Questions

Subject: Chemistry

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Question:

What happens when ferric(III) ions react with thiocyanate ion?

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Līga G.
Answer:

When ferric ion, Fe3+(yellow), reacts with thiocyanate ion, SCN- (colorless), solution turn blood-red because a complex [FeSCN]2+ is formed.

Subject: Biochemistry

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Question:

What is glucose?

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Līga G.
Answer:

Glucose is a monosaccharide with the chemical formula C6H12O6. It is often known as blood sugar. The two isomers of glucose are named L-glucose and D-glucose, also known as dextrose. Glucose is one of the simplest types of sugar and the main source of energy for human's bodies.

Subject: Basic Chemistry

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Question:

What does pH stand for?

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Līga G.
Answer:

The pH scale is a logarithmic scale that usually runs from 1 to 14. It expresses the acidity or alkalinity of a solution. The scale is based on the negative logarithm of hydrogen ion concentration in a solution. Each pH value below 7 means the solution is acidic, each pH value above 7 means the solution is basic, but pH value about 7 means the solution is neutral.

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