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Jet001 [13]
3 years ago
8

NEED HELP ASAP!!!!!!!!!!!!!!!

Chemistry
2 answers:
Lisa [10]3 years ago
7 0

Answer:

abyssal

Explanation:

creativ13 [48]3 years ago
6 0

Answer:

The abyssal plains

Explanation:

this is because it is so dark and devoid of resources that it is hard for most forms of life to survive

pls make me brainliest :) I'm trying to become an Ace

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Benzaldehyde and benzyl alcohol can be distinguished by NMR. The proton on the aldehyde group will appear at approximately _____
Tanya [424]

Answer:

9-10 ppm.

0.2-0.4 ppm.

Explanation:

The proton on the aldehyde group will appear at approximately 9-10 ppm whereas the methylene peak on the alcohol is the only peak 0.2-0.4 ppm for either compound. Aldehydes and aromatics are quite distinctive in the Nuclear magnetic resonance (NMR). Aldehydes show up from 9-10 ppm, usually as a small singlet; aromatic protons show up from 6.5-8.5 ppm. NMR spectroscopy is the use of NMR to study the physical, chemical, and biological properties of matter.

8 0
3 years ago
I need the answer fast pls it’s scince
harkovskaia [24]
I think the answer is C , more dense
5 0
3 years ago
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What is the smallest part of an element?
Ainat [17]
An atom is the smallest part of an element
4 0
3 years ago
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A 100.0-mL flask contains 0.193 g of a volatile oxide of nitrogen. The pressure in the flask is 760 mmHg at 17°C. Is the gas NO,
cestrela7 [59]

Answer:

NO_2

Explanation:

Considering,  

n=\frac{m}{M}

Using ideal gas equation as:

PV=\frac{m}{M}RT

where,  

P is the pressure  = 760 mmHg

V is the volume  = 100.0 mL = 0.1 L

m is the mass of the gas  = 0.193 g

M is the molar mass of the gas  = ?

Temperature = 17 °C

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15  

So,  

T = (17 + 273.15) K = 290.15 K

R is Gas constant having value = 62.36367 L. mmHg/K. mol

Applying the values as:-

760\times 0.1=\frac{0.193}{M}\times 62.36367\times 290.15

M = 45.95 g/mol

This mass corresponds to NO_2. Hence, the gas must be NO_2.

7 0
3 years ago
Help science periodic table
romanna [79]
All the answers are on the actual periodic table. You should never be told to remember it so I think this is a recourse you are allowed to look at whilst doing your homework lol :) all the answers are written on it hope it helps

3 0
3 years ago
Read 2 more answers
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