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r-ruslan [8.4K]
2 years ago
13

Identify each property below as more characteristic of a metal or a nonmetal.

Chemistry
2 answers:
Arturiano [62]2 years ago
6 0
Metal is a solid material which is basically hard and non metal is which don't show properties of metals
following are properties of metals and non metals
Metals are
shiny,melleable and good conductor of electricity
Nonmetals
gas at room temperature,brittle.poor conductor of electric current
hope it helps

Romashka [77]2 years ago
5 0
A. Nonmetallic
B. Nonmetallic
C. Metallic
D. Nonmetallic
E. Metallic
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Answer:

Initial concentration of HI is 5 mol/L.

The concentration of HI after 4.53\times 10^{10} s is 0.00345 mol/L.

Explanation:

2HI(g)\rightarrow H_2(g)+I_2(g)


Rate Law: k[HI]^2


Rate constant of the reaction = k = 6.4\times 10^{-9} L/mol s

Order of the reaction = 2

Initial rate of reaction = R=1.6\times 10^{-7} Mol/L s

Initial concentration of HI =[A_o]

1.6\times 10^{-7} mol/L s=(6.4\times 10^{-9} L/mol s)[HI]^2

[A_o]=5 mol/L

Final concentration of HI after t = [A]

t = 4.53\times 10^{10} s

Integrated rate law for second order kinetics is given by:

\frac{1}{[A]}=kt+\frac{1}{[A_o]}

\frac{1}{[A]}=6.4\times 10^{-9} L/mol s\times 4.53\times 10^{10} s+\frac{1}{[5 mol/L]}

[A]=0.00345 mol/L

The concentration of HI after 4.53\times 10^{10} s is 0.00345 mol/L.

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3 years ago
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Aleksandr [31]

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While naming:

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