Which of the following is true about the composition of ionic compounds?

Chemistry

2 answers:

NISA [10]3 years ago

8 0

Answer:

a. They are composed of anions and cations

Explanation:

Ionic compounds are molecules in which the constituent atoms are connected by ionic bonds.

Ionic bonds are formed by the transfer of electrons from one atom to the other. The atom that loses electrons becomes positively charged and referred to as a cation. Whereas, the atom that gains electrons becomes negatively charged i.e. an anion.

For example, common salt (sodium chloride) NaCl is an ionic compound which is essentially Na⁺Cl⁻.

Thus, ionic compounds are composed of anions and cations.

Andrej [43]3 years ago

4 0

A. Anions and cations

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(c) O2 gas is transferred from a 3 L vessel containing oxygen at 4 atm to an evacuated 20 L vessel at a constant temperature of

Fudgin [204]

Answer:

After the transfer the pressure inside the 20 L vessel is 0.6 atm.

Explanation:

Considering O2 as an ideal gas, it is at an initial state (1) with V1 = 3L and P1 = 4 atm. And a final state (2) with V2 = 20L. The temperature remain constant at all the process, thus here applies the Boyle-Mariotte law. This law establishes that at a constant temperature an ideal gas the relationship between pressure and volume remain constant at all time:

$P x V = k$