C. both rows and collumns
Hello!
From this list, a) HCl is not a weak acid.
Hydrochloric Acid, or HCl, is one of the most common examples of a strong acid. Strong acids dissociate completely in water to generate H⁺ and A⁻ ions. For HCl this reaction is as follows:
HCl → H⁺ + Cl⁻
Being more precise, for an acid to be called strong it needs to be stronger than hydronium ion (H₃O⁺) <span>pKa</span> <span>< -</span>1.74.
Have a nice day!
Answer:
A planet's orbital speed changes, depending on how far it is from the Sun. The closer a planet is to the Sun, the stronger the Sun's gravitational pull on it, and the faster the planet moves. The farther it is from the Sun, the weaker the Sun's gravitational pull, and the slower it moves in its orbit.
Answer:
Inferred that fossils were once part of living animals.
Explanation:
He realized that seashells that were from rocks were identical to ones on a beach.
Hope this helps. Plz mark as brainliest!
Have a great day and plz follow me! :)
They contain the same number of molecules; however, the masses can differ depending on the molar masses of the substances.
