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g100num [7]
3 years ago
8

Join me in among us if u want :) sever code-XXILYQ

Chemistry
2 answers:
myrzilka [38]3 years ago
8 0

Answer:

cool. mind giving brainliest?

maria [59]3 years ago
4 0

Answer:

im so down but where do you go?

Explanation:

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When the nail was copper-plated in Part III of the lab, what element do you think was reduced? Explain your answer in complete s
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Reduction <span>always results in a lowering of the oxidation number. The reaction of the system above is written as:

</span><span>Cu2+(aq) + Fe(s) --> Cu(s) + Fe2+(aq) 
</span>
From the reaction, we see that copper goes from the +2 to a neutral charge. Lowering of the oxidation number happens so this is the element that is being reduced.
6 0
3 years ago
An ice cube is placed in 80 mL of 70oC water. When the ice melts the temperature of the water is 60oC. a. How much energy was ne
tigry1 [53]

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800 degrees C g, I found this answer by using the formula to find how much energy was need to melt the ice. First you figure out the temperature change of ur ice (starting temp and ur final temp), and then you times that with the mass of the water.

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Who preformed the oil drop experiment
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Robert A. Millikan and Harvey Fletcher performed the oil drop experiment.

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notka56 [123]

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The correct answer is - right-side up.

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A diverging mirror is a curved mirror that can be bulge outside towards the source of light called a convex mirror or inward away from the source of light called a concave mirror.

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Maple syrup, which comes from the sap of maple trees, contains water and natural sugars. It’s a clear, brown liquid and the suga
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