gamer85

18.04.2020 • 

Chemistry

Methane is gas that is found in small quantities in Earth's atmosphere. Methane is the simplest hydrocarbon, consisting of one carbon
atom and four hydrogen atoms. It is a powerful greenhouse gas, flammable, and used as a fuel worldwide Construct an explanation
of how carbon and hydrogen combine to form methane,
Nonmetal carbon shares valence electrons with each nonmetal hy
forming four covalent bonds.
Carbon and hydrogen are nonmetals and they share their valence electrons
to become ions and form ionic bonds
Nonmetal carbon loses a valence electron and the nonmetal, hydrogen
gains a valence electron to form an ionic bond.
Hydrogen loses a valence electron to become a cation and carbon gains
valence electron to become an anion forming a covalent bonda
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Ответ:

kjdog03

07.04.2023

Chemistry

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The weight of solute required= Molarity x Molecular mass x Volume of solution in mL /1000
=0.15 x 170 x 175 / 1000 = 4.4625g
Take 4.4625g of AgNO3 and disolve in certain quantity of water(<175 mL) and finally make up the solution to 175mL with water.

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