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Ronch [10]
3 years ago
12

What is the energy of a radio wave whose frequency is 6.2 x 106 Hz?

Chemistry
1 answer:
slava [35]3 years ago
7 0

Answer:

657.2 Hz

Explanation:

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Write a balanced chemical equation, including physical state symbols, for the decomposition of solid calcium carbonate (CaCO_3)
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Answer:

CaCO₃(s) → CaO(s) + CO₂(g)

Explanation:

The decomposition reaction always make two compounds from one.

The products always have simpler chemical structure, originated from a determined compound. This can happens  spontaneously or by a third party.

A notable example of decomposition is hydrolysis. As for example the case of water, which decomposes and generates oxygen and hydrogen gas

2H₂O (l) → 2 H₂ (g) + O₂ (g)

In this case, the calium carbonate decomposes into CaO and CO₂

These two, are the products of the decomposition.

Of course, the unique reactant is the Calcium Carbonate

The balanced equation is:

CaCO₃(s) → CaO(s) + CO₂(g)

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Answer:

The answer would be D

Explanation:

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How do you convert between the mass and the number of moles of a substance?
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To convert from grams to moles, you divide the number of grams by the molar mass To convert  from moles to grams, you multiply by the molar mass. You must first calculate the molar mass of the substance
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How many atoms are in 187.6 grams of the alloy?
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