When the following reaction is balanced with the lowest possible whole number coefficients, what is the coefficient in front of the potassium chloride (KCl) ?

K2CO3 + FeCl3 yields KCl + Fe2 (CO3) 3

8

6
4

3

Select the correct answer. Why does every chemical reaction require a certain amount of activation energy? O A Energy is released when the reactants begin to react. O B. Energy lost to the environment during the reaction must be replaced.

Explain how might a renewable energy source become nonrenewable

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Dose force of attraction between the gas particle are weaker than between the liquid particles?

Write the electrons configuration for an atom of an element whose atomic number is 8

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