Jun 13, 2024 · In the compound HClO4 (perchloric acid), the oxidation number of the total compund is equal to 0. Oxygen has an oxidation number of -2, and hydrogen has an oxidation number of +1.

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Jun 23, 2024 · HClO4 is an acid. Hint: if "H" is at the beginning of a chemical formula, the compound is probably an acid. KBr, because it is an ionic compound, and many ionic compounds dissociate in water.

There are many, but the two you're likely being asked for are: Hydroxide (OH^-) Ammonium (NH_4^+) There are many polyatomic ions that don't end in "-ite" or "-ate". For example: Hydroxide (OH^-) …

May 28, 2024 · HClO4 is a stronger acid than H2SO4 because the chlorine (Cl) is more electronegative than sulfur (S). As a result the chlorine atom exerts a stronger "pull" on the electrons in a molecule …

18 roses would cost $37.50. If we know 12 roses costs $25, and the cost is proportional to the number of roses, we can use the following equation to find the cost of 18 flowers. x/(18" roses") = ($25)/(12" …

Yes, HClO4 (perchloric acid) is considered a strong acid because it completely dissociates into ions in water, producing a high concentration of H+ ions.

Explanation: We can estimate enthalpies of combustion by using bond dissociation energies (#D#).

May 22, 2024 · HClO4 is the strong acid known as perchloric acid. The reaction between potassium hydroxide (KOH) and perchloric acid (HClO4) produces potassium perchlorate (KClO4) and water …

Dakota is 48 years old and Patricia is 33 years old. Let d represent the age of Dakota, and p the age of Patricia. The first statement Dakota is 15 years older than Patricia tells us that: d = p + 15 Our …