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Nikolay [14]
3 years ago
8

Which of the following will dissolve most quickly? A. two sugar cubes. . B. a tablespoon of coarse sugar. . C. a tablespoon of t

able sugar. . D. a tablespoon of ultrafine sugar.
Chemistry
2 answers:
anastassius [24]3 years ago
4 0
D. a tablespoon of ultrafine sugar.
Dimas [21]3 years ago
3 0
The one that will dissolve most quickly is : D. a tablespoon of ultrafine sugar

Unlike any other type of sugar, ultrafine sugar tend to have smaller crystal size. Which means that this substance will dissolve easier if it put into liquid such as tea or water

hope this helps
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Precision Problems:
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Answer:

Precision = 2.70 \± 0.1\ cm

Explanation:

Given

The data in the table

Required

Follow the steps appended to the question;

Step 1: Calculate the Mean or Average

Mean = Summation of lengths divided by number of teams;

Mean = \frac{2.65 + 2.75 + 2.80 + 2.77 + 2.60 + 2.65 + 2.68}{7}\ cm

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Range = 2.80cm - 2.60cm

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Step 3: Divide Range by 2

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Approximate\ Range = 0.1\ cm

Step 4: Determine the Precision

Precision = Average \± Approximate\ Range

Substitute 2.70 for Average and 0.1 for Approximate Range

Precision = 2.70 \± 0.1\ cm

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