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KonstantinChe [14]
3 years ago
9

Can you plz help me with this question? thanks! question 6

Chemistry
1 answer:
spayn [35]3 years ago
8 0
Sorry can't see clearly
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When hydrogen gas reacts with oxygen gas to make water, why is oxygen reduced?
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3 years ago
Funding to prevent deforestation should only be directed at tropical rainforests.
a_sh-v [17]

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8 0
4 years ago
1. A student determines the density of water to be 0.966g/ml at a
lions [1.4K]

<u>Answer:</u>

<em>The percentage error in the measurement is 2.4% </em>

<u>Explanation:</u>

The measurement made by the student is 0.966 g/cm^3.

But the actual value of density is 0.943 g/cm^3

The formula to calculate percentage error is  

percentage error = \frac{(measured \ value-actual \ value)}{(actual  \ value)} \times 100

Hence percentage error in this case is given by

<em>Percentage error = \frac{(0.966-0.943)}{0.943} \times 100 </em>

<em>= \frac{0.023}{0.943} \times 100=2.4% </em>

A physical quantities value will be determines by various quantities. If errors are made in measuring any of these quantities there will be error in the measurement of the final physical quantity as well.

Here density of a substance is a derived quantity determined by measuring mass and volume of  that substance.<em> If errors are made in mass and volume measurements the density value will also be erroneous. </em>

4 0
3 years ago
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