When #2# moles of water are produced, the following reaction has an enthalpy change of reaction equal to #-"184 kJ"#. How much water is produced when this reaction gives off #"1950 kJ"# of heat? #SiO_2+4HFrarrSiF_4+2H_2O# #DeltaH=-184"kJ"# Chemistry 1 Answer Michael · Media Owl Apr 18, 2015 #381.5"g"# must form. #SiO_2+4HFrarrSiF_4+2H_2O# #DeltaH=-184"kJ"# #184"kJ"# produced from forming 2 moles water (36g). #184"kJ"rarr36"g"# #1"kJ"rarr36/184"g"# #1950"kJ"rarr(36)/(184)xx1950=381.5"g"# Answer link Related questions How do I determine the molecular shape of a molecule? What is the lewis structure for co2? What is the lewis structure for hcn? How is vsepr used to classify molecules? What are the units used for the ideal gas law? How does Charle's law relate to breathing? What is the ideal gas law constant? How do you calculate the ideal gas law constant? How do you find density in the ideal gas law? Does ideal gas law apply to liquids? Impact of this question 4380 views around the world You can reuse this answer Creative Commons License