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Morgarella [4.7K]
3 years ago
14

Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction?

Chemistry
1 answer:
Yuri [45]3 years ago
7 0

Answer:

(carbon dioxide → carbon + oxygen. (carbon dioxide + carbon → oxygen.

Explanation:

I'm not really sure if this is the answer

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Neutrons keep the Protons "in check", meaning Protons hold a very strong repulsive positive charge. The Neutrons counteract the repulsive force within a small space to keep the Nucleus stable.

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When an electron in a 2p orbital of a particular atom makes a transition to the 2s orbital, a photon of approximate wavelength 6
Mariulka [41]

Answer:

The energy difference between these 2p and 2s orbitals is 3.07\times 10^{-19} J

Explanation:

Wavelength of the photon emitted = \lambda =646.3 nm =646.3\times 10^{-9} m

Energy of the photon will corresponds to the energy difference between 2p and 2s orbital = E

Energy of the photon is given by Planck's equation:

E=\frac{hc}{\lambda }

h = Planck's constant = 6.626\tiomes 10^{-34} Js

c = Speed of the light = 3\times 10^8 m/s

E=\frac{6.626\tiomes 10^{-34} Js\times 3\times 10^8 m/s}{646.3\times 10^{-9} m}

E=3.07\times 10^{-19} J

The energy difference between these 2p and 2s orbitals is 3.07\times 10^{-19} J

3 0
3 years ago
What do these two changes have in common?
Varvara68 [4.7K]

ok fine ill leave

Explanation:

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2 years ago
In which of the following is the symbol for the ion and the number of electrons it contains given correctly?
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The answer is A. .....
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Which substance is most likely a lipid? -long chains of molecules composed of carbon, hydrogen, and oxygen atoms -compounds that
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Answer:

The answer is

Explanation:

- A nonpolar organic compound that is insoluble in water

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