Jerryc7694 Jerryc7694

27-11-2018
Chemistry

contestada

The symbol ∆ in a chemical equation means:

precipitate.

heat is supplied to the reaction.

a catalyst is needed.

yields.

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aprilrx19 aprilrx19

27-11-2018

I think the answer is B. I really don't remember but im pretty sure its that one.

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maddiedungo maddiedungo

07-12-2018

the correct answer is B: heat is supplied to the reaction

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