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3 years ago

Which statement best describes the formula equation Cl2(g) + 2KBr(aq) mc014-1.jpg 2KCl(aq)+ Br2(l)?

2 answers:

7 0

The statement that describes the chemical reaction is D chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromide. The symbol "Cl" represents chlorine. The symbols in the brackets show the physical state of the substance, (g) is gaseous, (s) is solid, (aq) is aqueous and (l) is liquid.

Sever21 [200]3 years ago

5 0

Chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromine.

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In h2o, the type of bond that holds one of the hydrogen atoms to the oxygen atom is a

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The hydrogen and oxygen atoms from H₂O are bonded together through covalent bonding.

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Which is the balanced equation for V205 + Cas - CaO + V S.?

barxatty [35]

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Which polyatomic ion is found in the compound represented by the formula NaHCO3?

stiv31 [10]

Answer: The correct option is 2.

Explanation: Polyatomic ions are defined as the ions in which two or more elements are covalently bonded to act as a single unit. They always carry some charge.

Examples of polyatomic ions are: $OH^-$ known as hydroxide ion, $SO_4^{2-}$ known as sulfate ion

We are given a compound $NaHCO_3$ having 2 ions which are $Na^+$ and $HCO_3^-$ . these ions are named as sodium ions and hydrogen carbonate ions.

Therefore, the correct option is 2.

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The correct answers are first, fourth, fifth

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A common anesthetic in dentistry known as nitronox consists of a mixture of dinitrogen oxide, n2o, and oxygen gas, o2, which is

Nesterboy [21]

Anesthetic in dentistry consists of a mixture of dinitrogen oxide (N₂O) and oxygen gas (O₂), which is administered through an inhaler over the nose. Total pressure of the mixture ( $P_{total}$ ) is sum of partial pressure of N₂O ( $p_{N_{2}O }$ ) and partial pressure of O₂, ( $p_{O_{2} }$ ).

$P_{total}=p_{N_{2}O } + p_{O_{2} }$

$P_{total}= 740 mmHg, p_{O_{2} }$ =370 mmHg

So, $p_{N_{2}O }$ = (740-370) mmHg= 370 mmHg=370 torr

Hence, partial pressure of N₂O is 370 torr.

As, 1mmHg= 1 torr.

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3 years ago