3 years ago

Where is the air pressure greater-- at sea level or on a mountaintop? Explain

1 answer:

8 0

Answer:

Air pressure is greater at sea level than at the top of a mountain. The amount of air at sea level is greater than that on top of a mountain.

Explanation:

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How many different types of atoms are in the formula Ba(OH)2 • 8H2O?

BabaBlast [244]

The answer should be A.

Why?
“Different type of atoms” which refers to different element present in the compound. Only Barium, Oxygen, and Hydrogen found in that compound, thus there are 3 types of atom founded it hydrated barium hydroxide.

I hope this enlighten. Apologize for any English or Chemistry concepts.

6 0

2 years ago

write down the name and molecular formula of the compound which gives hydrogen ion and chloride ion in the solution state.

Reptile [31]

Answer:

Hydochloric acid

HCl

Explanation:

Hydrochloric acid is an acid and ionizes to form hydrogen and chloride ions.

The name of the compound that gives hydrogen ion and chloride ions in the solution state is Hydrochloric acid.

Hydrochloric acid is made up of one atom of hydrogen and 1 atom of chlorine. We can also say, it is made up of 1 mole of hydrogen and 1 mole of chlorine.

The formula of this compound is HCl;

In solution:

HCl $_{aq}$ → H⁺ + Cl⁻