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mars1129 [50]
3 years ago
10

View Lab

Chemistry
2 answers:
Vika [28.1K]3 years ago
7 0

Answer:

c

Explanation:

c

Norma-Jean [14]3 years ago
5 0

Answer:

Hello! I know it's late, but the answer is the first one, A.

Explanation:

Just did it:)

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The molecules if DNA produced in replication are
Ksivusya [100]
DNA Polymerase is where DNA replicated. 


7 0
3 years ago
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Which of the following species has the greatest
Licemer1 [7]

Answer: Option (3) is the correct answer.

Explanation:

When there is a negative charge on an atom then we add the charge with the number of electrons. Whereas when there is a positive charge on an atom then we subtract the charge from the number of electrons.

Atomic number of chlorine is 17. So, number of electrons present in Cl^{-} is 17 + 1 = 18 electrons.

Atomic number of cobalt is 27. So, number of electrons present in Co^{4+} is 27 - 4 = 23 electrons.

Atomic number of iron is 26. So, number of electrons present in Fe^{2+} is 26 - 2 = 24 electrons.

Atomic number of vanadium is 23. So, number of electrons present in V is 23 electrons.

Atomic number of scandium is 21. So, number of electrons present in Sc^{2-} is 21 + 2 = 23 electrons.

Thus, we can conclude that out of the given species, Fe^{2+} has the greatest  number of electrons.

4 0
4 years ago
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PLEASE HELP!!!! What is the abbreviated electron configuration for nitrogen and for chlorine
tino4ka555 [31]

Answer:chlorine’s is (Ne) 3s2 3p5

Explanation:lol

5 0
3 years ago
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If the atmospheric pressure is 0.975 atm what is the pressure of the enclosed gas
Nuetrik [128]
Missing in your question:
Picture (1)
when its an open- tube manometer and the h = 52 cm. 
when the pressure of the atmosphere is equal the pressure of the gas plus the pressure from the mercury column 52 Cm so, we can get the pressure of the gas from this formula:
P(atm) = P(gas) + height (Hg)
∴P(gas) = P(atm) - height (Hg)
              = 0.975 - (520/760) 
              = 0.29 atm
Note: I have divided 520 mm Hg by 760 to convert it to atm
Picture (2)
The pressure of the gas is the pressure experts by the column of mercury and when we have the Height (Hg)= 67mm 
So the pressure of the gas =P(atm) + Height (Hg)
                                             =  0.975 + (67/ 760) = 1.06 atm
Picture (3) 
As the tube is closed SO here the pressure of the gas is equal the height of the mercury column, and when we have the height (Hg) = 103 mm. so, we can get the P(gas) from this formula:
P(gas) = Height(Hg)
           = (103/760) = 0.136 atm

6 0
3 years ago
An example of a binary compound is
Rainbow [258]

Answer:

a. KCl

Explanation:

a. KCl - made of 2 elements

b. NH4Cl

c. KClO3

d. NH4ClO3

4 0
3 years ago
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