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nika2105 [10]
3 years ago
8

Write the balanced chemical equation for lab preparation of oxygen gas by using heat​

Chemistry
2 answers:
Ksivusya [100]3 years ago
4 0

Answer:

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Paha777 [63]3 years ago
3 0

Answer:

O + O ---Δ----> O2

Explanation:

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grigory [225]
Groundwater varies between each year and state. Although from this map it seems as though the southeast part of the US contains more groundwater than other states. While the southwest and west side of the US does not contain as much groundwater as other states.
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Each of five students used the same ruler to measure the length of the same pencil. These data resulted: 15.33 cm, 15.34 cm, 15.
kondor19780726 [428]

Answer:

Precision is good but accuracy is poor

Explanation:

The precision in a measure is about how close is a measured value to each other. In the problem, all measurements are between 15.33 and 15.34cm. Thus, you can say precision is good

And accuracy is about how close are the measured values to the theoretical or real value. The real length of the pencil is 15.85cm. The measurements are not even close of the real value. For that reason, you can sat accuracy of the measurements is poor.

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3 years ago
How many grams are in 2.5 moles of PO4?
Inessa05 [86]
94.971361 grams would be the answer
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4 years ago
What is called mother liquor in a chemistry lab?
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Read the given equation:
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D.

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