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Gnoma [55]
3 years ago
10

Which of the following brain waves is associated with a deep sleep?

Chemistry
2 answers:
Tpy6a [65]3 years ago
8 0

DELTA BRAIN WAVES OF COURSE

natta225 [31]3 years ago
3 0
Delta waves are associated with a deep sleep~
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Robert has pure samples of both D-ribose and D-arabinose, but he forgot to label them. He only has some nitric acid, the reagent
Sauron [17]

Answer:

Following are the responses to the given question:

Explanation:

Since HN03 is an oxidation substance D-ribose u.ith oxidized to form in rubric acid Ribose is chiral, but rubric acid is achiral because of its symmetry mirror level, Hence no infrared roster in the sample holder is observed.

Please find the attached file.

D-Arabinose, on either hand, gives optical aldaric acid with such a net optical rotation observed inside the polarimeter for diagnosis with HN03.

4 0
3 years ago
8. __H2 + __O2-> __H2O
Rus_ich [418]

Anser:

Explanation:

hope this helps

8 0
2 years ago
If 0.250 mol of hydrogen gas occupies 0.333L at 20.0c what is the pressure in atmospheres?
maria [59]

Answer: The pressure will be 18.05 atm.

Explanation: Expression for ideal gas equation is :

PV=nRT

where,

P = Pressure of the gas = ? atm

V = Volume of the gas = 0.333L

n = Number of moles of gas = 0.250 moles

R = Universal gas constant = 0.082057\text{ L atm }mol^{-1}K^{-1}

T = temperature of the gas = 20°C = (273 + 20)K = 293K

Putting values in above equation, we get:

P\times 0.333L=0.250mol\times 0.082057\text{ L atm }mol^{-1}K^{-1}\times 293K

P = 18.05 atm

8 0
3 years ago
Four atoms are arbitrarily labeled D, E, F, and G. Their electronegativities are as follows: D = 3.8, E = 3.3, F = 2.8, and G =
PSYCHO15rus [73]

Answer:

Thus the order of covalent character will be

DG < EG < DF < DE

Explanation:

The electronegativity decides the nature of bond formed between two atoms.

More the difference in electronegativity more the ionic character in the bond formed.

Let us check the electronegativity difference between the elements forming molecules

a) DE :

3.8-3.3 = 0.5

b) DG :

3.8-1.3 = 2.5

c) EG

3.3-1.3 = 2

d) DF

3.8-2.8 = 1.3

So the maximum ionic character will be in DG and minimum in DE

Thus the order of covalent character will be

DG < EG < DF < DE

3 0
3 years ago
A scientist is studying the natural feeding habits of tigers.
Softa [21]
The answer is C stewie2k, because he wants to see natural habits, of tigers, lol cloud 9 is best team
4 0
3 years ago
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