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Afina-wow [57]
2 years ago
5

According to the enthalpy diagram below, which of the following statements is true?

Chemistry
2 answers:
mezya [45]2 years ago
8 0

Answer:

C. Arrow C indicated that the third intermidiate reaction is exothermic

Explanation:

stich3 [128]2 years ago
7 0

Answer:it will be c on edg 2021

Explanation:

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A cube has sides of 11.4 cm. What is its volume?
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It is A) 1,482 cm3  ..............
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The property of metals to be made into wire is called
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Which of the following events could increase Earth's temperature?
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The compound ncl3 is nitrogen trichloride, but alcl3 is simply aluminum chloride. why
AveGali [126]
The answer to this question would be:
NCl3 is a molecular compound (two or more nonmetals), and therefore in its name prefixes indicate the number of each type of atom. so NCl3 is nitrogen trichloride<span>.
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5 0
3 years ago
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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
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