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Lelu [443]
3 years ago
5

Which do you think would be safer for heating a flammable liquid sample contained in an open beaker, and Bunsen burner or an ele

ctric hot plate? Why?
Chemistry
1 answer:
Ray Of Light [21]3 years ago
6 0

Answer:

Electric hot plate

Explanation:

Considering that the liquid sample is flammable, it wouldn’t be a good idea to have it near a source of fire which the Bunsen burner provides, rather it would be better to heat through an electric hot plate as its not near a source of flame and instead produces heat through electricity.

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Uhm cell parts and functions
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3 years ago
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1 electron Bc of the electron you have
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3 years ago
Two copper electrodes dipped in copper sulphate solution are connected to the end of the battery marked with a ''_'' is:
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Explanation:

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Which equation represents positron decay?
jonny [76]

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Explanation:

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8 0
2 years ago
Precision Problems:
Lorico [155]

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

Mean = \frac{18.9}{7}\ cm

Mean = 2.70\ cm

Step 2: Get The Range

Range = Highest - Lowest

Range = 2.80cm - 2.60cm

Range = 0.2\ cm

Step 3: Divide Range by 2

Approximate\ Range = \frac{1}{2}Range

Approximate\ Range = \frac{1}{2} * 0.2\ cm

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

4 0
3 years ago
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