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Natali5045456 [20]
3 years ago
14

1.I make my cup of coffee in the morning by pouring boiling water over ground-up coffee beans held in a special piece of paper a

nd by collecting the brown liquid that comes through. Which techniques of the five described in the background section is/are used in the preparation of the cup of coffee
Chemistry
1 answer:
777dan777 [17]3 years ago
5 0

Answer:

Filtration

Explanation:

Filtration is a physical separation technique that is used to separate solids from liquids or gases. The process involves the use of a filter which allows just the liquid to pass through.

In this case, the coffee beans is the solid and the boiling water is the liquid. The special piece of paper is the medium (filter) through which the coffee is collected.

The coffee coming through the special piece of paper (filter) is called a filtrate.

Filtration is used in the preparation of the cup of coffee.

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Answer:

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2nd answer:

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Explanation:

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3 years ago
The word weather is most commonly used to refer to the state of the atmosphere at a certain time. Why do you think the same word
s344n2d4d5 [400]
<span> weather is the condition of the climate in a particular place at a particular
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8 0
2 years ago
How many moles of nickel (Ni) atoms are in 125 g Ni?
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<span>The solution to the problem is as follows:

125/58.69 = 2.12 mol 
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Therefore, there are 2.12 moles of <span>nickel (Ni) atoms are in 125 g Ni.

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Read 2 more answers
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grigory [225]

Answer:

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Explanation:

Distillation:

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Chromatography:

based on absorption

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