An unknown solution has a pH of 8. How would you classify this solution?

Chemistry

2 answers:

ratelena [41]3 years ago

6 0

The correct answer is B) Basic. Hope this helps.

Vanyuwa [196]3 years ago

3 0

B. Basic because anything less than seven is acidic and higher is basic.

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Drag each label to the correct location. Match the climate zones to their relative temperature levels. (coldest zonehottest zone

andriy [413]

Answer:

Polar Zones - Coldest Temperature

Temperate Zones - Moderate Temperature

Tropical Zones - Hottest Temperature

Explanation:

The closer you are to the Equator, the hotter it gets, as the sun hits the middle of the Earth the most. At the poles, the sun hits it there the least, so it is the coldest. In between, we would have a mild between hot and cold.

*Remember that the Earth is at a tilt, and that is why we have seasons and why the Equator is so hot and the Poles are so cold.

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3 years ago

Explain the covalent and ionic bonds in polyatomic ionic compounds. Compare and explain the difference in melting point of a n-c

mestny [16]

Answer:

Explanation:

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3 years ago

What type of extinguisher will extinguish a class a, b or c fire?

RUDIKE [14]

Any fire extinguisher should put out a fire, that is unless the extinguisher is old and faulty.

7 0

4 years ago

The nucleus of an atom has what electric charge?

omeli [17]

Answer: Positive charge

Explanation:

An atom consists of electron (negatively charged), Proton (Positively charged) and neutron (no charge).

The proton (+) and the neutron (no charge) are in the nucleus of the atom. this makes the resulting charge of the nucleus positive while electron (-) is outside the nucleus.

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4 years ago

(QUICK) Based on difference in electronegativities between atoms, which is the most polar bond pair? H — S H — Cl H — O H — F

kupik [55]

First, you need to have a periodic table that contains the electronegativities values. once you have them, you just need to subtract the values of the atoms and each bond. I have attached a table with these values. also, it does not matter then order in which you subtract them because they are always positive values. even though you get negative values in your calculator, just make it positive.

H-S----> 2.1 - 2.5= 0.4
H-Cl---> 2.1 -3.0=0.9
H-O---> 2.1- 3.5= 1.4
H-F----> 2.1 - 4.0= 1.9

HF is the most polar because it has the highest electronegativity difference.

4 0

3 years ago

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