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vredina [299]
2 years ago
6

Please help will give brainiest

Chemistry
2 answers:
iren2701 [21]2 years ago
4 0

Answer:

reaction, reversed, The Law Of Conservation of Mass, mass, rusts, oxygen

Explanation:

HOPE THIS HELPS!

Mrrafil [7]2 years ago
4 0
Reaction reversed and mass
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The materials in the flux covering on an electrode determine the electrical characteristics of the electrode.
nataly862011 [7]

Answer:

a. true

Explanation:

It is true that, the materials in the flux covering on an electrode determine the electrical characteristics of the electrode.

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A/an bonds allows metals to conduct electricity
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3 years ago
Are the properties of a specific element the same as the properties of a molecule made up of that element? Why or why not?
LuckyWell [14K]

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4 0
2 years ago
What are the units of molar mass?<br> O A Lg<br> B. g/mol<br> O C. g/L<br> D. mol/g
kondaur [170]
D I think hope this helps
6 0
3 years ago
Read 2 more answers
Consider a certain type of nucleus that has a half-life of 32 min. calculate the percent of original sample of nuclides remainin
Irina18 [472]
t1/2 = ln 2 / λ = 0.693 / λ
Where t1/2 is the half life of the element and λ is decay constant.

32 = 0.693 / λ 
λ   = 0.693 / 32          (1) 

Nt = Nο eΛ(-λt)          (2)

Where Nt is atoms at t time, λ is decay constant and t is the time taken.
t = 1.9 hours = 1.9 x 60 min

From (1) and (2),


Nt = Nο e⁻Λ(0.693/32)*1.9*60
Nt =  0.085Nο 

Percentage = (Nt/Nο) x 100%
                   = (0.085Nο/Nο) x 100%
                   = 8.5%

Hence, Percentage of remaining atoms with the original sample is 8.5%

8 0
3 years ago
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