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Monica [59]
3 years ago
11

Question 5

Chemistry
1 answer:
Nonamiya [84]3 years ago
6 0

Answer:

chemical change

Explanation:

burning and cooking are both chemical changes.

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An ion of iron has an 26 protons, 30 neutrons, and 23 electrons. What are its atomic number, atomic mass, and net charge?
sleet_krkn [62]

Answer:

Atomic number 26,atomic mass 26+30=56 dalton and net charge is 3+

Explanation:

The total number of proton present in an atom is known as the atomic number of that atom.From that point of view the atomic number of iron ion is 26.

  The total number proton and neutrons present in the nucleus of an atom or ion is termed as atomic mass.From that point of view the the atomic mass of iron ion is 26+30=56 dalton

 According to the given question iron ion contain 3 more protons than electrons as a result the iron ion will contain 3 unit positive charge.

5 0
3 years ago
What is thermal equilibrium? equal temperature equal heat equal thermal energy equal conductivity
Margarita [4]

。☆✼★ ━━━━━━━━━━━━━━  ☾  

I believe the answer would be A. equal temperature

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6 0
3 years ago
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What is one way that electric charges are different from magnetic poles?
sashaice [31]
The answer is A. As the first statement is a true statement. Hope this help you
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Chemists investigated an unknown substance and found it to have the following characteristics:
juin [17]

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How many grams are in 5 mols of KOH​
elena55 [62]

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0.08911760029829444

Explanation:

hop that this what you wanted

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