Calorimetry Calculator

Calculate Heat Changes in Calorimetry Experiments

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Coffee Cup Calorimeter

Calculate heat of reaction using constant-pressure calorimetry.

qreaction: - kJ

Bomb Calorimeter

Calculate heat of combustion using constant-volume calorimetry.

ΔHcombustion: - kJ/g

Mixing Calorimeter

Calculate final temperature when mixing two substances.

Substance 1

Substance 2

Final Temperature: - °C

Understanding Calorimetry

What is Calorimetry?

Calorimetry is the science of measuring heat changes in chemical reactions. Key concepts include:

  • Heat flow measurement
  • Constant pressure vs. volume
  • System and surroundings
  • Heat capacity effects

Types of Calorimeters

Common calorimeter types:

  • Coffee cup calorimeter
  • Bomb calorimeter
  • Differential scanning calorimeter
  • Flow calorimeter
  • Solution calorimeter

Experimental Considerations

Important factors:

  • Heat loss to surroundings
  • Calorimeter calibration
  • Temperature measurement
  • Mixing effects
  • Insulation quality

Applications

Calorimetry is used in:

  • Fuel analysis
  • Food science
  • Materials testing
  • Biochemical research
  • Industrial processes

Advanced Topics

Related concepts include:

  • Adiabatic processes
  • Heat of formation
  • Enthalpy of solution
  • Phase transitions
  • Reaction kinetics

Essential Calorimetry Formulas

Heat Energy

q = m × c × ΔT

Bomb Calorimeter

q = C × ΔT

Mixing Problems

qhot + qcold = 0