After melting , place the tin can in the bowl of water. Measure the temperature of the melted candle every two minutes for another ten minutes and observe the hardness.
Answer (1)
After melting the wax, placing the tin can in cool water will decrease temperature over time and the wax will harden gradually. Typically, there’s a plateau when the wax begins to solidify (latent heat release). Sample Data Table (Every 2 Minutes for 10 Minutes):0 min: 70 °C (fully liquid, very soft)2 min: 62 °C (viscous liquid)4 min: 55 °C (starting to form skin; soft)6 min: 52 °C (more solid particles; semi-solid)8 min: 50 °C (noticeable hardening; holds shape)10 min: 48 °C (mostly solid; firm to touch) Observation: Temperature drops quickly at first, then slows near the freezing point as wax releases latent heat while solidifying. Hardness increases from liquid → semi-solid → solid. For a graph, plot Temperature (°C) vs Time (min); expect a downward curve with a mild flat segment.
