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marishachu [46]
3 years ago
8

what occurs in the chemical reaction (A) reactions break bonds and reform the same bonds (B) no chemical bonds are broken (C) re

actants break bonds and form new bonds to make new substance (D) reactants break bonds but do not form new substances
Chemistry
1 answer:
Likurg_2 [28]3 years ago
4 0
The answer is Cc reactants break bonds and form new bonds to make new substances 
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How many moles of water h2o are present in 75.0 g h2o?
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Determine the class of the compound, which contains carbon, hydrogen, and oxygen, and exhibits the infrared spectrum below. poss
Talja [164]
I have attached an image of the IR spectrum required to answer this question.

Looking at the IR, we can look for any clear major stretches that stand out. Immediately, looking at the spectrum, we see an intense stretch at around 1700 cm⁻¹. A stretch at this frequency is due to the C=O stretch of a carbonyl. Therefore, we know our answer must contain a carbonyl, so it could still be a ketone, aldehyde, carboxylic, ester, acid chloride or amide. However, if we look in the 3000 range of the spectrum, we see some unique pair of peaks at 2900 and 2700. These two peaks are characteristic of the sp² C-H stretch of the aldehyde.

Therefore, we can already conclude that this spectrum is due to an aldehyde based on the carbonyl stretch and the accompanying sp² C-H stretch.

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3 years ago
Predict which of the two orders is preferred. Choose one: HOCl is the preferred arrangement. HClO is the preferred arrangement.
Artyom0805 [142]

Answer:

HOCl is the preferred arrangement.

Explanation:

Hypochlorous acid (HOCl or HClO) is a weak acid that contains Hydrogen, Chlorine and oxygen. Generally both are accurate molecular formulars as hey show the exact number of atoms of elements present in the compound.

However the preferred formular is HOCl. The reason for this is because HOCl implies the molecular structure (that is, how the atoms are bonded to each other). The H is bonded to the O and the O in turn is being bonded to the Cl. HClO on the other hand says nothing about the molecular structure.

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