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Colt1911 [192]
3 years ago
7

Someone pls help me I will mark you as brain

Chemistry
1 answer:
Mariulka [41]3 years ago
5 0

Answer:

primary clarfiers

plz Mark my answer in brainlist

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Deuterium is the isotope of hydrogen of mass number 2, with a proton and a neutron in its nucleus. The chemistry of deuterium is
s344n2d4d5 [400]

Answer:

True

Explanation:

We know that the zero-point-energy of a C-D system is quite lower than the zero point energy of the C-H bond so the C-D bond is stronger.

Kinetic isotope effect refers to the change in the rate of reaction owing to a change of one of the atoms of the reactants by replacing it with one of its isotopes.

Since we know that the C-D bond is stronger than the C-H bond, when we replace hydrogen with deuterium in a reaction's rate determining step we experience a little lag in the rate of reaction. This is referred to as the kinetic isotope effect in physical organic chemistry.

6 0
3 years ago
If 60. liters of hydrogen gas at 546 K is cooled to 273 K at constant pressure, the new volume of the gas would be
Korvikt [17]

Answer:30 L

Explanation:

Initial Volume

=

V

1

=

60

l

i

t

e

r

Initial Temperature

=

T

1

=

546

K

Final Temperature

=

T

2

=

273

K

Final Vloume

=

V

2

=

?

?

Sol:-

Since the pressure is constant and the question is asking about temperature and volume, i.e,

V

1

T

1

=

V

2

T

2

⇒

V

2

=

V

1

⋅

T

2

T

1

=

60

⋅

273

546

=

60

2

=

30

l

i

t

e

r

⇒

V

2

=

30

l

i

t

e

r

Hence the new volume of the gas is

30

l

i

t

e

r

6 0
3 years ago
How many moles in Co are there in 6 billion Co atoms
nasty-shy [4]
Hello there!

<span> Use Avogadro's number, 1 mol = 6.02 x 10^23 atoms. 
</span>Convert atoms to moles and you get:

<span>9.97x10^(-15) moles Co
</span>
Hope This Helps You!
Good Luck :)
3 0
3 years ago
Which sample would serve as a better buffer and therefore a better environment for aquatic life?
Ann [662]

Answer:

sample A

Explanation:

the first one because of the ppm value

6 0
2 years ago
Read 2 more answers
Two basic properties of the liquid phase
melamori03 [73]
Fixed density
Particles move smoothly

6 0
4 years ago
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