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Finger [1]
3 years ago
14

Compounds that are ductile and excellent conductors of electricity have

Chemistry
2 answers:
Murrr4er [49]3 years ago
6 0

<u>Answer:</u> The correct answer is Option d.

<u>Explanation:</u>

Covalent bonds are defined as the bonds which are formed when electrons are shared between two atoms.

Ionic bonds are defined as the bonds which are formed when there is complete transfer of electrons from one atom to another atom.

Metallic bonds are formed where the valence electrons of metal atoms are delocalized across the metallic lattice.

Ductility is the property shown by metals in which metals can be drawn into thin wires and metals also are the good conductors of electricity.

Metals only form metallic bonds. Hence, the correct answer is Option d.

olga2289 [7]3 years ago
3 0
D, metallic bonds, is right.
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Answer:

B.  4 Fe + 3 0₂---> 2 Fe₂O3        

Explanation:

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(B) 4 Fe + 3 0₂---> 2 Fe₂O3                Yes:  Fe is iron and O is oxygen,                  and the equation is balanced.

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2 years ago
ANSWER ASAP! PLEASE!!!!!
Rina8888 [55]
C. Also just look up a chemical equation balancer calculator next time.
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2 years ago
For the reaction, a → b, the rate constant is 0.0208 m-1 sec-1. How long would it take for [a] to decrease from 0.100 to 0.0450
goldfiish [28.3K]

First, assume the order of the given reaction is n, then the rate of reaction i.e. \frac{dx}{dt}=k\times[A]^{n}

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According to units of rate constant, the reaction is of second order.

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Put the values,

\frac{1}{0.04590 m}-\frac{1}{0.100 m} =0.0208 m^{-1}s^{-1} \times t  

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\frac{12.23 m}{0.0208 m^{-1}s^{-1}} = t

t= 587.9 s

Hence, time taken is 587.9 s






5 0
3 years ago
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Fynjy0 [20]
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7 0
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Speed= distance / time

therefore speed = 100m/2sec

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4 0
3 years ago
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