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kirza4 [7]
3 years ago
6

Es

Chemistry
1 answer:
babunello [35]3 years ago
8 0

The correct answer is Chemical energy changes to mechanical energy. Chemical energy in the battery powers the mechanical fan. ON USA TEST PREP!!!!!

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What best describes the bonding in a water molecule
finlep [7]

Answer:

An oxygen atom shares a single electron with each H

Explanation:

H:O:H

Covalent bond, so

An oxygen atom shares a single electron with each H.

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Which of the following correctly represents the radioactive decay of cesium-137?<br><br>​
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Please answer truthfully:))​
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In 1928, 47.5 g of a new element was isolated from 660 kg of the ore molybdenite. the percent by mass of this element in the ore
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To take the percent by mass of this element, we use the formula:

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% mass = (47.5 g / (660 kg * 1000 g / kg)) * 100*

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The molecules of DNA produced in replication are...
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