Calorimetry Calculator

What Is Calorimetry?

Calorimetry measures heat transfer during physical or chemical processes. The fundamental equation relates heat energy to mass, specific heat capacity, and temperature change of a substance.

Calorimetry Formula

$$Q = m c \Delta T$$

$Q$ is heat transferred in joules, $m$ is mass in kilograms, $c$ is specific heat in J/(kg·K), and $\Delta T$ is temperature change in kelvin (or degrees Celsius for differences). Water has $c \approx 4186$ J/(kg·K).

Example: heating 0.2 kg of water by 10 K requires $Q = 0.2 \times 4186 \times 10 = 8372$ J.

Frequently Asked Questions

What does Q = mcΔT mean?

Heat transfer Q equals mass times specific heat times temperature change. It quantifies energy needed to raise or lower a substance's temperature.

Can I solve for any variable?

Yes. Enter three known values and select which variable to find. The calculator rearranges Q = mcΔT automatically.

What is specific heat capacity?

Specific heat is the energy required to raise 1 kg of a substance by 1 K. Water's high value (4186 J/(kg·K)) makes it an effective coolant and heat reservoir.

Are kelvin and Celsius the same for ΔT?

Yes. A temperature difference of 10 °C equals 10 K because the scales have the same increment size. Only absolute temperatures differ by 273.15.

When does calorimetry apply?

Calorimetry applies when heat exchange occurs without phase change. For melting or boiling, use latent heat equations instead.

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What Is Calorimetry?

Calorimetry Formula

Frequently Asked Questions

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