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frez [133]
3 years ago
10

What is the smallest particle of a covalent compound that has the properties of that compound? a molecule an ion an element an a

tom
Chemistry
2 answers:
nalin [4]3 years ago
4 0
An atom is the smallest particle that can have the properties of a compound.
bezimeni [28]3 years ago
3 0

Answer:

An atom is the smallest particle.

Explanation:

An atom is an smallest particle of the covalent compound that has the properties of compound.

Atom is the smallest particle that take part in chemical reaction and atoms are made up of particles called electrons, protons and neutrons, which is responsible for the charge of the atoms.

The smallest unit of compound is called molecule. Molecules are made up of atoms which is connected by bond by sharing of electrons and molecules have also the properties of compound.

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A vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was 987 torr. The partial pressures of nitrogen, argon,
xz_007 [3.2K]

Answer:

The partial pressure of neon in the vessel was 239 torr.

Explanation:

In all cases involving gas mixtures, the total gas pressure is related to the partial pressures, that is, the pressures of the individual gaseous components of the mixture. Put simply, the partial pressure of a gas is the pressure it exerts on a mixture of gases.

Dalton's law states that the total pressure of a mixture of gases is equal to the sum of the pressures that each gas would exert if it were alone. Then:

PT= P1 + P2 + P3 + P4…+ Pn

where n is the amount of gases present in the mixture.

In this case:

PT=PN₂ + PAr + PHe + PNe

where:

  • PT= 987 torr
  • PN₂= 44 torr
  • PAr= 486 torr
  • PHe= 218 torr
  • PNe= ?

Replacing:

987 torr= 44 torr + 486 torr + 218 torr + PNe

Solving:

987 torr= 748 torr + PNe

PNe= 987 torr - 748 torr

PNe= 239 torr

<u><em>The partial pressure of neon in the vessel was 239 torr.</em></u>

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Copper(II) nitrate forms a series of hydrates with the formula Cu(NO3)2.xH2O. These hydrates decompose to form copper(II) oxide.
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One mole is defined as the amount of substance containing as many elementary entities (atoms, molecules, ions, electrons, radicals, etc.) as there are atoms in 12 grams of carbon-12 (6.023 x 1023). The mass of one mole of a substance equals its relative molecular mass expressed in grams. Also spelled as mol.

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