Răspuns:
din termo-ecuatia data deduc
la obtinerea a 2moli apa se degaja 483,6kj,
deduc masa celor 2 moli apa, stiind miu= 18g/mol apa
m=niuxmiu= 2molx18g/mol= 36g
deci, 36g apa.........483,6kj
150g....................x
x=Q=2015kj
Explicație:
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Răspuns:
din termo-ecuatia data deduc
la obtinerea a 2moli apa se degaja 483,6kj,
deduc masa celor 2 moli apa, stiind miu= 18g/mol apa
m=niuxmiu= 2molx18g/mol= 36g
deci, 36g apa.........483,6kj
150g....................x
x=Q=2015kj
Explicație: