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Svet_ta [14]
3 years ago
11

How is benzene different from cyclohexane?

Chemistry
1 answer:
masha68 [24]3 years ago
4 0

Answer:

The main difference between cyclohexane and benzene is that cyclohexane contains 12 hydrogen atoms bonded to six carbon atoms, two hydrogen atoms per each carbon atom whereas benzene contains six hydrogen atoms bonded to six carbon atoms, one hydrogen atom per each carbon atom.Jan 25, 2018

Hope it helps :)

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1. TNT, (C7H5N3O6) reacts explosively with oxygen gas (O2) to produce CO2 gas, water vapor, and N2 gas. If James weighs out 0.85
fomenos
4C7H5N3O6 + 21O2 = 28CO2 + 10H2O + 6<span>N<span>2

</span></span><span>According to the reaction equation, it can be seen that TNT and O2 have following stoichiometric ratio:
</span><span>
n(</span>C7H5N3O6)<span> : n(O2) = 4 : 21

</span>n(O2) = 21/4 x n(C7H5N3O6) = 5.25 x n(C7H5N3O6)


n(C7H5N3O6) = m/M= <span>0.853/227 = 0.0038 mole

</span>
n(O2) = 5.25 x n(C7H5N3O6) = 5.25 x 0.0038 = 0.02 mole


m(O2) = n x M = 0.02 x 32 = 0.64 g = 640mg
5 0
3 years ago
Read 2 more answers
A 2.0 mL sample of air in a syringe exerts a pressure of 1.02 atm at 22 C. If that syringe is placed into boiling water at 100 C
emmainna [20.7K]

Answer: The new volume of the air in the syringe is 7.3 mL.

Explanation:

Given: V_{1} = 2.0 mL,     P_{1} = 1.02 atm,          T_{1} = 22^{o}C

V_{2} = ?,               P_{2} = 1.27 atm,               T_{2} = 100^{o}C

Formula used to calculate the new volume in syringe is as follows.

\frac{P_{1}V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}

Substitute the values into above formula as follows.

\frac{P_{1}V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}\\\frac{1.02 atm \times 2.0 mL}{22^{o}C} = \frac{1.27 atm \times V_{1}}{100^{o}C}\\V_{1} = 7.3 mL

Thus, we can conclude that the new volume of the air in the syringe is 7.3 mL.

6 0
3 years ago
A solution is prepared by mixing 769 mL of ethanol with 507 mL of water. The molarity of ethanol in the resulting solution is 10
blsea [12.9K]

Answer:

57 mL

Explanation:

To make things clear, when 769 mL of ethanol were mixed with 507 mL of water, the resulting volume was not (769+507) 1276 mL, but a lower value. This is because of the interactions between liquid molecules.

First we<u> calculate how many grams of ethanol are there in 769 mL</u>, using the <em>given density</em>:

  • mass = density * volume
  • 0.7893 g/mL * 769 mL = 606.97 g ethanol

Then we<u> convert 606.97 g of ethanol into moles</u>, using its<em> molar mass</em>:

  • 606.97 g ÷ 46.07 g/mol = 13.17 mol

Now we <u>calculate the actual volume of the solution</u>, using the <em>definition of molarity</em>:

  • Volume = Moles / Molarity
  • 13.17 mol / 10.8 M = 1.219 L

Finally we <em>convert 1.219 L to mL</em>, and <u>calculate the difference in volume</u>:

  • 1.219 L * 1000 = 1219 mL
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3 years ago
How many moles of hydrogen do you need to react with 0.85 moles of nitrogen?
katen-ka-za [31]

Answer:

6 moles

Explanation:

You have a 1:3 ratio between nitrogen gas and hydrogen gas

8 0
3 years ago
Write the formula for zinc dichromate
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Cr2O7Zn that is the formula
5 0
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