CHEMISTRY HIGH SCHOOL

What is combined to get calcium chloride​

Answers

Answer 1
Answer:

Answer:

See below

Explanation:

This is a simple reaction.

Calcium and chlorine molecule are combined to get calcium chloride.

Ca + Cl₂ → CaCl₂

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Hope this helped!

~AH1807
Answer 2
Answer: Calcium chloride can be created by neutralising hydrochloric acid with calcium hydroxide.

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Which compound would most likely turn litmus paper to a red color?a. CH₃CH₂CH₂OH 
b. CH₃CH(Br)CH(Br)CH₃
c. CH₃CH₂CH(Br)CH₃
d. CH₃CH₂CH₂COOH 
e. CH₃CH₂CH₂CH₃

Answers

answer D, because it's acid

Which is the best example of water regulating an organism’s body temperature?

Answers

the best example is evaporation

Answer

A!! A jogger sweating after a run

Explanation:

Edge

An unknown solution has a ph of 8. how would you classify this solution? a. acidic
b. neutral
c. basic
d. there is not enough information to answer the question

Answers

I believe the correct answer from the choices listed above is option C. You would classify this solution as basic since it has the pH of more than 7 which signifies a basic solution. Hope this answers the question. Have a nice day. Feel free to ask more questions.

The metal wire in an incandescent light bulb glows when the light is switched on and stops glowing when it is switched off. This simple process is which kind of a change?

Answers

physical change because the matter in the object is not chemically changing 

What is special about nitrogen?
and what is it main function?

Answers

Nitrogen is present in many spheres of the Earth, including the atmosphere and biosphere. Nitrogen makes up around 80% of the atmosphere (more than oxygen), and exists as a diatomic molecule.  it's also essential in the function of plants, as the most commonly used mineral nutrient. It is also used in photosynthesis and is a major component of amino acids which make protein. 

These statements describe three different reactions. 1 - An atom shares electrons with another atom.
2 - The nucleus of an atom is split apart.
3 - An atom gains an electron from another atom.

Which reaction(s) most likely release the greatest amount of energy?
1
2
1 and 3
2 and 3

Answers

Answer: Option (b) is the correct answer.

Explanation:

When an atom shares electrons with another atom then it results in the formation of covalent bond.

Whereas when an atom transfer electrons from one atom to another then it results in the formation of ionic bond.

When nucleus of an atom splits then it represents nuclear fission reaction and energy is released during this process.

For example, ^(235)_(92)U \rightarrow ^(144)_(56)Ba + ^(89)_(36)Kr + 3n + 177 MeV

Therefore, we can conclude that out of the given options, the nucleus of an atom is split apart most likely release the greatest amount of energy.
The answer is number 2. That releases massive amounts of radiation and by the way, that is how atomic bombs are made to detonate.
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