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AVprozaik [17]
3 years ago
7

Solid carbon dioxide (CO2), also known as dry

Chemistry
2 answers:
erastovalidia [21]3 years ago
6 0

Answer:

shiii ion even know like i cant even tell u tha

Explanation:

bro 2 of my bruddas got locked up 2 days ago one of em got shot before the cops took him    

Mademuasel [1]3 years ago
4 0

Answer:

yes

Explanation:

yes because the ice changes forms physically and can be changed back. not 100% sure tho

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If there are 40 mol of NBr3 and 48 mol of NaOH, what is the excess reactant?
Nata [24]

Answer:

The correct answer is option B.

Explanation:

3NaOH+2NBr_3\rightarrow 3HOBr+3NaBr+N_2

Moles of NBr_3 = 40 mol

Moles of NaOH = 48 mol

According to reaction, 3 moles of NaOH reacts with 2 moles NBr_3

Then ,48 moles of NaOH will reacts with:

\frac{2}{3}\times 48 mol=32 mol of NBr_3

Then ,40 moles of NaBr_3 will reacts with:

\frac{3}{2}\times 40 mol=60 mol of NaOH

As we can see that 48 moles of sodium will completey react with 32 moles of nitrogen tribromide.

Moles left after reaction = 40 mol - 32 mol = 8 mol

Hence, the NBr_3 is an excessive reagent.

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Here we have to point out the necessary character of the substance needed which are used as lightning conductor.  

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