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klemol [59]
3 years ago
6

Which compounds give a 1h nmr spectrum with two signals in a ratio of 2:3?

Chemistry
1 answer:
spayn [35]3 years ago
8 0

Four option are provided as,

CH3CH2OCH2CH3

CH3CH2Cl

CH3CH2CH3

CH3OCH2CH2OCH3


CH3CH2Cl having 2 peaks of H NMR as 1st peak for quartet of 2 H and 2nd peak of triplet of 3 H and thus the ratio of both the peak is 2 :3 as the ratio indicates the number of hydrogen corresponds to each peak.


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How many moles are in 442.8 g of strontium carbonate (SrCO3)?
GuDViN [60]

Answer:

3 moles

Explanation:

SrCO3

Mass = 442.8g

Molar mass = (87.6 + 12 * [16*3]) = 147.6g/mol

Number of moles = mass / molar mass

Number of moles = 442.8 / 147.6

Number of moles = 3

7 0
3 years ago
Because of river discharge, large changes in ocean salinity often occur __.
Lorico [155]
I’m guessing it would be A because the river discharge tends to gather near coastlines where the river ends
5 0
3 years ago
What is the molecularity of the elementary step X + X + Y → Z?
Anna35 [415]

The molecularity of the elementary step X + X + Y → Z is 3.

<h3>What is Molecularity ?</h3>

Molecularity in chemistry is defined as the total number of molecules that react in an elementary reaction .

In the given question the elementary reaction given is

X + X + Y → Z?

or 2X +Y --> Z

X molecule is 2 and Y molecule is 1 so the molecularity is 2+1 = 3

The molecularity of the elementary step X + X + Y → Z is 3.

To know more about Molecularity

brainly.com/question/14614762

#SPJ1

4 0
2 years ago
A certain orbital of the hydrogen atom has n = 4 and l = 2 what are the possible values of ml for this orbital?
Nadya [2.5K]

The ml is also called as the magnetic quantum number. The value of ml can range from –l to +l including zero. Hence all of the possible values for ml given that l = 2 are:

<span>-2, -1, 0, + 1, + 2</span>

3 0
3 years ago
Which of the following sign does not indicate that a chemical change has happened .
Sever21 [200]

Answer:

A.)

Explanation:

A change in state may seem like a chemical reaction, but it is actually a physical change. "A change in state" is basically saying that the appearance of whatever the item is, is taking a change physically. Whether this item was going through some examples of a physical change, which would be:

<em>melting (solid to liquid), evaporation (liquid to gas), condensation (gas to liquid), freezing (liquid to solid), deposition (gas to solid), and sublimation (solid to gas).</em>

A change in color, odor, taste, chemical compound, and temperature all represent a chemical reaction, because these are all things that are happening within the the item that is being given the product of a chemical change.

Think of it this way: <em>internal changes within the product: chemical. External changes within the product: physical.</em>

I hope this helps.

4 0
2 years ago
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