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Sloan [31]
3 years ago
8

Which of the following are polyatomic ions? Check all that apply

Chemistry
1 answer:
stellarik [79]3 years ago
6 0

Answer:

NH4 is the correct ans

Explanation:

Mark as brainliest

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Answer:

60 g/100 g water  

Explanation:

Find 5 °C on the horizontal axis.

Draw a line vertically from that point until you reach the solubility curve for CaCl₂.  

Then draw a horizontal line from there to the vertical axis.

The solubility of CaCl₂ is 60 g/100 g water.

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For "gas in liquid solution", which of the following will act as a solute?
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Why might increasing the temperature alter the rate of a chemical reaction?
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Because after increasing of temperature kinetic energy of molecules increases and reaction speed increases in forward or reverse direction.

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3 years ago
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Explanation:
                   Those electron pairs which are being shared between two atoms in molecule are called as bonding pair electrons. While, those electron pairs which are not involved in bond formation and are not shared between two atoms are called as Non-Bonding electron pairs.
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8 0
4 years ago
Please help me <br><br> Thank you
Mamont248 [21]

Answer:

A

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A is the answer because it is explaining how wolves are ancestors of dogs

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