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ankoles [38]
3 years ago
9

can you guys please help me answer this, I have an assignment and I have to submit it in 5 minutes, please help

Chemistry
1 answer:
Alborosie3 years ago
7 0

Answer:

c

Explanation:

kinetic energy can be calculated using the formula

=1/2*mass*velocity or speed ^2

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The composition of air this is because it vmade up of oxygen, nitrogen, Nobel gages and Carbon dioxide

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What is the heat of vaporization of water?
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3 years ago
What are the pros and cons for natural gasses
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6 0
3 years ago
Read 2 more answers
Solid iron combines with oxygen gas to form solid iron(III) oxide. Which of the following equations best describes this reaction
Alexus [3.1K]

Answer:

B.  4 Fe + 3 0₂---> 2 Fe₂O3        

Explanation:

(A) Ir + O₂--> IrO₂                                 No:  Ir is iridium

(B) 4 Fe + 3 0₂---> 2 Fe₂O3                Yes:  Fe is iron and O is oxygen,                  and the equation is balanced.

(C) I+ 0₂ ---> 10₂                                  No:  I is iodine

(D) 3 Ir + 0₂ -> 6 Ir₂03                         No:  I is iodine

3 0
2 years ago
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