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Pavlova-9 [17]
2 years ago
14

Help! Im gonna fail if i dont get the answer.

Chemistry
2 answers:
PolarNik [594]2 years ago
6 0

Answer:

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Explanation:

yea

jolli1 [7]2 years ago
4 0
Ok I will give brainliest the call back to you get in a few hours and mama mommy mama mama bye mama baby mommy mommy
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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.

6 0
3 years ago
Read 2 more answers
What does complex mean? PLEASE HELP ME
wolverine [178]
Complex meaning more complicated and detailed in difficulty
6 0
3 years ago
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Based on the chemical formula and state of matter, which of these substances will conduct electricity?
Sergeu [11.5K]

Answer:

CuSO4(aq)

Explanation:

The aqueous form of copper sulfate will conduct electricity.

The Solid form will not be a good conductor.

C₅H₁₂ will not conduct electricity

CO₂ will not conduct electricity

  • Copper sulfate is an ionic compound
  • In aqueous solutions or molten forms, ionic compounds can conduct an electric current using free mobile ions as carriers.
  • This way, they are electrolytes.
  • In solid state, the ions are arranged into a crystal lattice and will not conduct a current of electricity.
6 0
2 years ago
a) What is distilled water? What are some examples of purified water? How does water purification by distillation and reverse os
TiliK225 [7]

Answer:

its c.

Explanation:

yesirrrr jsjsnndjf. xinsjsndk

3 0
3 years ago
How much energy is needed to melt 230 g of ammonia (NH3)? (Heat of fusion is 5.66 kJ/mol)
joja [24]

Moles of ammonia

  • Given mass/Molar mass
  • 230/17
  • 13.5mol

1mol requires 5.66KJ energy

13.5mol requires

  • 5.66(13.5)
  • 76.4KJ
4 0
1 year ago
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