Which equilibrium constant expression is correct for 2NaHCO3 (s) ⇌ Na2CO3 (s) + CO2 (g) + H2O(g)

[CO2][H2O]

1

[CO2][H2O]2

. [Na2CO3][CO2][H2O]

[NaHCO3]2

[Na2CO3][CO2][H2O]

[NaHCO3]

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

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Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.