What is metal ? Where does it coke from ?

Chemistry

2 answers:

DerKrebs [107]3 years ago

8 0

a metal is an element that readily forms positive ions (cations) and has metallic bonds

coke is a strong stimulant made from coca leaves

aleksandrvk [35]3 years ago

5 0

Answer:

Most pure metals, like aluminium, silver and copper, come from the Earth's crust.
They are found in ores – solid materials called minerals, usually occurring in rock, from which the pure metal has to be extracted.
The properties of pure metals can be improved by mixing them with other metals to make alloys.

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If the concentration of acetyl chloride is increased ten times the rate of reaction is increased ten times.

The conversion of acetyl chloride to methyl acetate is a substitution reaction. Recall that a substitution reaction is one in which a moiety in a molecule is replaced by another.

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The rate determining step is the formation of the tetrahedral intermediate. Since the reaction is first order in the acetyl chloride, if its concentration is increased ten times the rate of reaction is increased ten times.

Learn more: brainly.com/question/5624100

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