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RUDIKE [14]
3 years ago
8

Which of these correctly describes the energy that makes the carousel turn

Chemistry
1 answer:
Dmitrij [34]3 years ago
8 0

Answer:

F

Explanation:

A carousel can be made to rotate using different sources of energy.  One may decide to use electric energy, manual effort, water energy or heat energy as in a candle carousel.

When the candle is lit, heat energy is supplied and warm air rises heating up the air near the carousel eventually causing it to start rotating.

Hence heat from the candle leads to a current of warm air that rises up, causing the carousel to start rotating.

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pH+3.0 normality

Explanation:

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Which method preserves an image of a leaf?.
Sav [38]

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Tree sap flows over the leaf and preserves it.

Explanation:

Amber would preserve the image.

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. A base increases the OH- ion concentration of water.. True. False
HACTEHA [7]
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3 years ago
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Write the Henderson-Hasselbalch equation for a solution of formic acid. Calculate the quotient [HCO2]/[HCO2H] at (a) pH 3.000; (
Elena L [17]

Answer:

a. 0.182

b. 1.009

c. 1.819

Explanation:

Henderson-Hasselbach equation is:

pH = pKa + log [salt / acid]

Let's replace the formula by the given values.

a. 3 = 3.74 + log [salt / acid]

3 - 3.74 = log [salt / acid]

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b. 3.744 = 3.74 + log [salt / acid]

3.744 - 3.74 = log [salt / acid]

0.004 = log [salt / acid]

10⁰'⁰⁰⁴ = 1.009

c. 4 = 3.74 + log [salt / acid]

4 - 3.74 = log [salt / acid]

0.26 = log [salt / acid]

10⁰'²⁶ = 1.819

3 0
3 years ago
Someone help me Explain how non-genetic factors can affect phenotype. Give an example.
Yanka [14]

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