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Reversible reactions and equilibria

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Total cards: 14•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (14)

#1
Front (Question)

what happens in reversible reactions

Back (Answer)

the product molecules can react with each other or decompose & form the reactant molecules again

#2
Front (Question)

the reaction happens in what directions

Back (Answer)

both

#3
Front (Question)

forward reaction produces

Back (Answer)

products

#4
Front (Question)

reverse reaction forms

Back (Answer)

reactants

#5
Front (Question)

symbol for reversible reactions

Back (Answer)

⇌

#6
Front (Question)

effect of heat on ammonium chloride

Back (Answer)

• heating it produces ammonia and hydrogen chloride gases • as the hot gases cool down, they recombine to form the reactant (solid ammonium chloride)

#7
Front (Question)

what’s the reversible reaction for ammonium chloride

Back (Answer)

NH4Cl (s) ⇌ NH3 (g) + HCl (g)

#8
Front (Question)

is forwards reaction for ammonium chloride endo or exo thermic

Back (Answer)

endothermic (decomposition)

#9
Front (Question)

is reverse reaction for ammonium chloride endo or exo thermic

Back (Answer)

exothermic (forming)

#10
Front (Question)

hydrated copper sulfate is seen as

Back (Answer)

blue crystals

#11
Front (Question)

hydrated copper sulfate can be ___ to form ___

Back (Answer)

heated anhydrous copper sulfate

#12
Front (Question)

forwards reaction in hydrated copper sulfate is

Back (Answer)

endothermic as energy is taken in to remove water (make anhydrous copper sulfate)

#13
Front (Question)

anhydrous copper sulfate can be seen as

Back (Answer)

white powder

#14
Front (Question)

the reverse reaction for anhydrous copper sulfate is

Back (Answer)

exothermic as water is added to form hydrated copper sulfate