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Chemistry · L4 · Calorimetry calculations: q = mcΔT, calorimeter types, and ΔH vs ΔU · flowchart

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by @openstemUpdated Chemistry
Calorimetry problemConstant pressureor constant volume?q_p = m c dT of solution= DeltaH directlyq_v = C_cal times dT= DeltaU directlyNeed DeltaH?Check Delta n gasDeltaH approx DeltaUno correction neededDeltaH = DeltaU + (Delta n gas)(R)(T)Constant pressure (coffee-cup, open cup)Constant volume (sealed bomb)Delta n gas = 0Delta n gas not 0

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