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Advocard [28]
4 years ago
8

The rate at which a candle burns in millimeters per minute is?

Chemistry
2 answers:
zalisa [80]4 years ago
7 0
The answer is C. quantitative
Serga [27]4 years ago
5 0

It would be C / Quantitative

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One radioactive isotope of calcium has an atomic mass of 47,how many neutrons are in the calcium -47 nucleus
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Answer: 27 neutrons

Explanation:

Recall that the number of protons in the nucleus of an atom = Atomic number.

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Which of the following mixtures may be act as a buffer solution?
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Answer:

B) HF, NaF

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  • The buffer would have the weak acid HF and its conjugate base, F- which comes from the soluble salt NaF.
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What is the answer?
Dmitry_Shevchenko [17]

as a heterogeneous mixture

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