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taurus [48]
3 years ago
14

To balance an equation, you need to write numbers called (BLANK) in front of the molecule or compound. DO NOT CHANGE THE SUBSCRI

PTS!
Chemistry
1 answer:
navik [9.2K]3 years ago
3 0

Answer:

Coefficients

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An element with 7 valence electrons would be a
Sunny_sXe [5.5K]

Answer:

The Group 7A elements have seven valence electrons in their highest-energy orbitals (ns2np5). This is one electron away from having a full octet of eight electrons, so these elements tend to form anions having -1 charges, known as halides: fluoride, F-; chloride, Cl-, bromide, Br-, and iodide, I-.

...

Group 7A — The Halogens.

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Explanation:

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Which best describes valence electrons?
AfilCa [17]
A possibily I’m not 100% sure
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Complete combustion of 2.0 metric tons of coal to gaseous carbon dioxide releases 6.6X10¹⁰ J of heat. Convert this energy to
Taya2010 [7]

First of all we should know that, 1 Joule = 0.000239 kilocalories.

So, 6.6×10^{10} J = 6.6×10^{10} × 0.000239 kilocalories

      6.6×10^{10} J = 15774000 kilocalories

                       = 1.58 × 10^{7} kilocalories

One joule is described as the quantity of electricity exerted when a pressure of 1 newton is implemented over a displacement of 1 meter. Within the SI machine, the unit of labor or electricity is the Joule.

The kilocalorie, or meals calorie, is the quantity of warmth required to elevate one kilogram of water 1 °C. warmness capability is the amount of heat required to raise one gram of material 1 °C beneath steady pressure. A kilocalorie is the amount of warmth required to raise the temperature of 1 kilogram of water one diploma Celsius.

Learn more about joule here:-

brainly.com/question/490326

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CH4 is the ___________________ formula for methane.
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CH4 is the molecular formula for methane.
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