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vavzincakjoey
19.08.2021 •
Chemistry
g ou may change your response by submitting again. Using bond energies, calculate the approximate enthalpy of reaction. CH4(g) H2O(g) 3H2(g)
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Ответ:
B) H2SO4 (aq) + Ca(OH)2 (aq) → CaSO4 (aq) + 2 H2O(l)
Explanation:
A is a reaction between a salt FeCl3 and a base KOH
C is a n acid decomposing on it's own to form two products
D is mercury, a metal reacting with oxygen. Two elements reacting. Neither are an acid or a base
E. is an acid reacting with a metal to liberate hydrogen. There is no base