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Juliette [100K]
2 years ago
5

2NBr3 + 3NaOH = N2 +3NaBr + 3HOBr

Chemistry
2 answers:
WARRIOR [948]2 years ago
8 0

Answer:

NBr3

Explanation:

bija089 [108]2 years ago
6 0
The theoretical proportion is given by the balanced chemical equation:

2 mol NBr / 3 mol  Na OH

Then x mol NaOH / 40 mol NBr3 = 3mol NaOH/2 mol NBr3

Solve for x, x = 40 * 3/2 = 60 mol NaOH.

Given that there are 48 mol NaOH (less than 60) this is the limitant reactant and the other is the excess reactant.

Answer: NBr3..

 
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A 2.89 g sample of a metal chloride, MCl2, is dissolved in water and treated with excess aqueous silver nitrate. The silver chlo
dsp73

Answer:

58.0 g/mol

Explanation:

The reaction that takes place is:

  • MCl₂ + 2AgNO₃ → 2AgCl + M(NO₃)₂

First we <u>calculate how many moles of silver chloride</u> were produced, using its <em>molar mass</em>:

  • 6.41 g AgCl ÷ 143.32 g/mol = 0.0447 mol AgCl

Then we <u>convert AgCl moles into MCl₂ moles</u>, using the <em>stoichiometric ratio</em>:

  • 0.0447 mol AgCl * \frac{1molMCl_2}{2molAgCl} = 0.0224 mol MCl₂

Now we<u> calculate the molar mass of MCl₂</u>, using the original<em> mass of the sample</em>:

  • 2.86 g / 0.0224 mol = 127.68 g/mol

We can write the molar mass of MCl₂ as:

  • Molar Mass MCl₂ = Molar Mass of M + (Molar Mass of Cl)*2
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Finally we<u> calculate the molar mass</u> of M:

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The closest option is 58.0 g/mol.

6 0
3 years ago
A technical machinist is asked to build a cubical steel tank that will hold 195 L of water. Calculate in meters the smallest pos
Aleks04 [339]

Answer:

The smallest possible inside length of the tank is 0.579 m.

Explanation:

As we know that

1 m^3 = 1000 L

Thus, volume of 195 liter tank is also equal to 0.195 cubic meter

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With the give condition,

x^ 3 = 0.195

Solving the above equation, we get -

x = (0.195)^{\frac{1}{3})}\\x = 0.579

The smallest possible inside length of the tank is 0.579 m.

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3 years ago
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KATRIN_1 [288]

Answer:

0.3mol C8H18

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Form there we now need to know how many moles of Octane are needed to produce 2.4moles of H2O. The conversion is as follows:

2.4molH2O ((2mol of C8H18)/(18mol of H2O)) = 0.3mol C8H18

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Answer:

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Explanation:

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2 years ago
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Answer:

Explanation: Because electrons are delocalized around positively charged nuclei, metallic bonding explains many properties of metals. ... Further, because the electrons are free to move away from each other, working a metal doesn't force together like-charged ions, which could fracture a crystal through the strong repulsion.

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