Which equation correctly shows an endothermic reaction? * A. CO2 + 1500 kJ --> C+02
B. CO2 --> C + O2 + 1500 kJ
C. CO2 - 1500 KJ --> C+02
D. CO2 --> C + 02 - 1500 kJ

i'm not sure

explanation:

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periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

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