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stira [4]
2 years ago
9

B The allusions recall specific locations and horrors of the Vietnam conflict.How many moles of H2O are produced when 12 moles o

f NH3 reacts with excess O2?
4 NH3 + 5 O2 → 4 NO + 6 H2O



Group of answer choices

18 moles H2O


12 moles H2O


6 moles H2O


9 moles H2O
Chemistry
1 answer:
ziro4ka [17]2 years ago
7 0

<u>Answer:</u> 18 moles of H_2O will be produced.

<u>Explanation:</u>

We are given:

Moles of ammonia = 12 moles

The given chemical equation follows:

4NH_3+5O_2\rightarrow 4NO+6H_2O

By the stoichiometry of the reaction:

4 moles of ammonia produces 6 moles of water

So, 12 moles of ammonia will produce = \frac{6}{4}\times 12=18mol of water

Hence, 18 moles of H_2O will be produced.

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Name the following alkyne.<br> Please help me &lt;3
Alexandra [31]

Answer:

D. 7-methyl-3-octyne

Explanation:

1) Identify the parent chain and name it like an alkane.

• The longest chain of carbons, which consists of the functional group (which is the alkyne group in this case: C≡C).

• There are 8 carbons in the longest chain, so it is called an octane.

2) Now, identify the location of the functional group.

• The location number of the functional group should be as low as possible. Thus although we could count from the right, we start counting from the left since the functional group is closer to the left. From the left, the functional group would be at carbon 8 while from the left, it is on carbon 3.

• Replace 'ane' with 'yne' in octane for the alkyne group.

• This would give us 3-octyne.

3) Lastly, add in the name of the branch.

• Here we have one branch, -CH₃. This is read as methyl.

• Identify the location number of the branch by counting the number of carbons in the same direction as when we counted the location number of the functional group. The methyl branch has a location number of 7.

• Adding the name of the branch before the parent chain, we would arrive at 7-methyl-3-octyne as the IUPAC name of the alkyne.

Further Explanation:

A) This option is incorrect as there are only 8 carbons in the parent chain. Although there are 9 carbons in total, the 9th carbon is taken care of in '7-methyl'.

B) Location number of the functional group should be as low as possible, so start counting the number of carbons from the left!

C) Since the functional group is an alkyne, the word 'octane' should be 'octyne' instead.

8 0
2 years ago
A 30-kg girl and a 25-kg boy face each other on friction-free roller blades. the girl pushes the boy, who moves away at a speed
dsp73
0.83 m/s seems the correct answer, hope it helps
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2 years ago
We start with the molecule below instead of palmitic acid, which step will be interrupted and which enzyme will be used to corre
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Answer: Step 1, Isomerase.

Explanation:

Form the version of palmitic acid in the step one by changing the double bond within alpha and beta carbon by Isomerase.

B and C are Isomers, the molecule only differ in configuration.

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What did sewage treatment in Ancient Rome and 19th century London have in common? How effective was this strategy and why?
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Explanation:

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Answer:

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Explanation:

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