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lara [203]
3 years ago
7

What are some insulators and conductors of electricity? Name 2 of each

Chemistry
1 answer:
hammer [34]3 years ago
4 0

Answer:

insulator:wood,rubber

conductor:aluminium,copper

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How many grarns would 3 moles of carbon dioxide (CO2) weigh? (round to the
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Mass of CO₂ = 132 g

<h3>Further explanation   </h3>

A mole is a number of particles(atoms, molecules, ions)  in a substance

This refers to the atomic total of the 12 gr C-12  which is equal to 6.02.10²³, so 1 mole = 6.02.10²³ particles  

Can be formulated :

N = n x No

N = number of particles

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mole also can be formulated :

\tt n=\dfrac{mass}{MW}

moles of CO₂ = 3

mass of CO₂(MW=44.01 g/mol) :

\tt mass=mol\times MW\\\\mass=3\times 44.01\\\\mass=132.03~g\approx 132~g

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