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hjlf
3 years ago
5

''give 2 examples of energy transformation that occur when making toast in a toaster oven.''

Chemistry
1 answer:
SIZIF [17.4K]3 years ago
4 0

I believe it would be the transformation of electrical energy to heat energy, and the transformation of heat energy and then the heat to the bread

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What error, if any, would the calculated density of the solid have if the material had a hollow center?
maria [59]

Answer:

3) The calculated density would be high, because the volume would be incorrectly measured low.

Explanation:

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A solid with a hollow center will have high volume due to air inside the hollow area that will lead to low density.

But the error in the calculation of density is that the "density would be high, because the volume would be incorrectly measured low."

Hence, the correct answer is "3)"

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Hello,

In this case, based on the acid-base theory which states that acids are known as H⁺ donors, if we consider the direct reaction:

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It is also clear that the hydronium ion is the second H⁺ donor as it losses one H⁺ to turn into water.

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