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gulaghasi [49]
3 years ago
14

Water freezes at _____. A. 273°C B. -273°C C. 273 K D. -273 K

Chemistry
1 answer:
BartSMP [9]3 years ago
6 0
Correct answer is A
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22.99 on the element sodium means the combined numbers of electrons and protons?
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The answer is 11 electron and 11 protons respectively

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Since the sodium is in it neutral state, number of electron is the same as the number of proton, which is 11.

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Coal and petroleum are useful because the both have ___ stored in them.
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3 years ago
Complete and balance the following equations. If no reaction occurs, write NR:(d) ClF(g) + F₂(g) →
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A reaction occurs between the two gases Chlorine monofluoride (ClF) and Fluorine (F₂) when they are added together and as a result of the reaction a compound named, Chlorine trifluoride (ClF₃) is formed.

The reaction which occurs by addition of Chlorine monofluoride (ClF) and Fluorine (F₂) is as follows -

ClF (g) + F₂ (g) = ClF₃ (l)

When one molecule of Chlorine monofluoride (ClF) reacts with one molecule of Fluorine (F₂) gas, both the gases react together to form one molecule of Chlorine trifluoride (ClF₃) which is a liquid. Therefore, the above reaction is already balanced.

Chlorine trifluoride (ClF₃) is a greenish-yellow liquid which acts as an important fluorinating agent and is also an interhalogen compound (compounds that are formed by mixing two different halogen compounds together). Other than it's liquid state ClF₃ also can exist as a colorless gas. This compound ClF₃ is a very toxic, very corrosive and powerful oxidizer used as an igniter and propellent in rockets.

Learn more about Chlorine monofluoride (ClF) here-

brainly.com/question/17129650

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2 years ago
Who uses chemicals ?
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Is there answer choices ??
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