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zaharov [31]
3 years ago
15

Who disvovered the atoms

Chemistry
1 answer:
gayaneshka [121]3 years ago
3 0

John Dalton discovered atom.

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Two gas samples have the same number of molecules, the same volume, and the same pressure. Which of the following could be true?
OverLord2011 [107]
The choices are:
<span>A. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 0</span>°<span>C.
B. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 298 K.
C. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 273</span>°<span> C.
D. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 100</span>°<span> C.

The correct answer is A because the two gases will have the same temperature and 273 K = 0</span>°C
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What substances is the most soluble in water?
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what wrong

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A sample of a hydrocarbon contains 20.75 g C and 4.25 g H. Its molar mass is 58.04 g/mol. What is its empirical formula C2H5 CH2
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6 0
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How does the emission spectrum support the idea of quantized energy levels
ryzh [129]

Explanation:

Different atoms absorb and emit specific wavelengths of electromagnetic radiation and nothing in between. These absorption and emission spectra are actually used to identify atoms of elements in a substance. This phenomenon is explained by Bohr's theory of quantized energy levels in an atom – called orbital levels. When an electron 'jumps' from a lower to higher orbital level, it absorbs a specific wavelength of electromagnetic radiation specific to the ‘jump’. Vice versa, when an electron 'jumps' to a lower orbital level is emits an equivalent  and specific wavelength of electromagnetic radiation.  

Learn More:

For more on emission spectra check out;

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