The heat of fusion for ammonia is 5.65 kJ/mol. How much heat in kJ is released when 1.5 mol of ammonia freezes?
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In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Scuba divers use tanks of compressed air to them breathe. gases can be compressed because?

Pl what kind of reaction is this? nahco3 + h2o → co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?