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Leto [7]
3 years ago
15

The first law of thermodynamics states that ΔE=Q-W. How is this also a statement of the principle of conservation of energy?

Chemistry
2 answers:
Korolek [52]3 years ago
6 0

Answer:

c

Explanation:

yaroslaw [1]3 years ago
4 0
Hello I took this test just now and got 100% your correct answer would be C. Hope this helps.
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An atom has 24 protons, 22 electrons, and 28 neutrons. What is the ATOMIC # of the atom?
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Describe what does happen to the electrons when metal atoms are bonded together.
tankabanditka [31]

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Explanation: Hope this helped!

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About how much is one liter?
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2Mg + O2à MgO For this unbalanced chemical equation, what is the coefficient for oxygen when the equation is balanced? A. 1 B. 2
Vikki [24]

Answer:

The answer to your question is the letter A. 1

Explanation:

Unbalanced chemical reaction

                      Mg  +  O₂  ⇒  MgO

               Reactants    Elements    Products

                       1            Magnesium       1

                       2           Oxygen              1

Balanced chemical reaction

                      2Mg  +  O₂  ⇒  2MgO

              Reactants    Elements    Products

                       2           Magnesium       2

                       2           Oxygen             2

Conclusion

The coefficients of the balanced equation are 2, 1, 2

7 0
3 years ago
Read 2 more answers
Which chemical reaction is a single replacement reaction? A. Ba(ClO3)2 —> BaCl2 + 3O2 B. 2Mg + O2 —> 2MgO C. Zn + CuCl2 —&
professor190 [17]
I believe the correct answer is C. <span>Zn + CuCl2 —> ZnCl2 + Cu</span>
8 0
3 years ago
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