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Vika [28.1K]
2 years ago
7

Can someone check my work and tell me if I did it right

Chemistry
2 answers:
MrRa [10]2 years ago
8 0

Answer:

That's right!

-How many protons will be in the ion?

•15 protons

svlad2 [7]2 years ago
3 0

Answer:

pretty sure u did it right??

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PLEASE HELP URGET!!!!
strojnjashka [21]

Answer:

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Explanation:

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5 0
2 years ago
A sample of a compound that contains only the elements C, H, and N is completely burned in O₂ to produce 44.0 g of CO₂, 45.0 g o
koban [17]

Answer:

CH₅N

Explanation:

In the combustion, all of the C in the compound was used to produce CO₂ in a 1:1 ratio. Thus, the moles of CO₂ (MW 44.01 g/mol) produced equals the moles of C in the compound:

(44.0 g)(mol/44.01g) = 0.99977 mol CO₂ = 0.99977... mol C

Similarly, all of the H in the compound was used to produce H₂O in a ratio of 2H:1H₂O. The moles of H₂O (MW 18.02 g/mol) produced was:

(45.0 g)(mol/18.02g) = 2.497...mol H₂O

Moles of H is found using the molar ratio of 2H:1H₂O:

(2.497...mol H₂O)(2H/1H₂O) = 4.994...mol H

The ratio of H to C in the compound is:

(4.994...mol H)/(0.99977... mol C) = 5 H:C

Some NO₂ was produced from the N in the compound. Assuming a 1:1 ratio of C:N, the simplest empirical formula is: CH₅N.

3 0
2 years ago
Which of the following represents the electron configuration of s⁻?
GrogVix [38]

Answer:

[Ne] 3s² 3p⁴

Explanation:

4 0
2 years ago
How many molecules of O2 will be required to produce 28.8 g of water?
Mrac [35]
I think 1.67 x 10^20
5 0
3 years ago
Which of the following describes the arrangement of valence electrons in a bond between H and F?
Sloan [31]
C; The Valence electrons spend more time around the atom of F
6 0
2 years ago
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