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Rina8888 [55]
3 years ago
6

Help its due soon i need to get this right to pass the class

Chemistry
2 answers:
Vladimir79 [104]3 years ago
5 0

Answer: A

Explanation: Because the way that a generator works is moving electric current around a wire and using magnets to make more energy.

Igoryamba3 years ago
4 0

Answer:

the answer I am pretty sure is A

Explanation:

Because the way that a generator works is moving electric current around a wire and using magnets to make more energy. please tell me if I am wrong.

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The shape of a molecule is trigonal planar. How many electron domains around the central atom does this molecule most likely hav
soldi70 [24.7K]
I would think that the answer would be three

Because of the prefix tri- in "tigonal"

Tri- means 3, as in tricycle or triangle

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8 0
3 years ago
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Calculate the frequency
Ber [7]
Given: wavelength of Nitrogen laser (∧) = 337.1 nm = 337.1 X 10^-9 m

We know that, Energy of photon (E) = hc/∧ = hv
where, v = frequency of photon and c = speed of light = 3 X 10^8 m/s

Thus, v = c/∧ = (3 X 10^8)/ (337.1 X 10^-9) = 8.899 X 10^14 s-1.

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3 years ago
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sattari [20]
Boyle’s law gives the relationship between pressure and volume of gases. It states that at constant temperature the pressure of gas is inversely proportional to volume of gas.
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Parameters at STP are on the left side and parameters for the second instance are on the right side of the equation
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Substituting the values in the equation
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Balance the equation ____Mg+_____HNO3=____Mg(NO3)2+H2
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Explanation:

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