HANGRY123
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#1
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#1
When the kettle was switched on, the temperature of the water did not immediately start to increase. suggest one reason why.
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Joinedup
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Is there a diagram?

Maybe the thermometer was some distance from the heating element and the heat transfer was by some slow process
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pepperonipizza9
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the molecules in the water start to vibrate
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chickenbeans
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i thought it was because/// initially the thermal energy was transferred to the surroundings and to heat kettle rather than the water
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0le
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The answer is probably one of:
- It takes a little bit of time for the heating element to reach a temperature which is capable of heating up the water.
- It takes a bit of time to raise the temperature of water since it has a large heat capacity and there is a significant quantity of water.
- The thermometer has a low response time which means it does not record changes in temperature very quickly.
- The thermometer has a poor sensitivity and therefore small changes in temperature cannot be easily detected.
- It takes a bit of time for energy from the heating element to transfer via molecular diffusion processes alone to the region around the thermometer.

Unlikely but possible:
- The thermometer may be faulty.
- The kettle may be faulty.

(Original post by chickenbeans)
i thought it was because/// initially the thermal energy was transferred to the surroundings and to heat kettle rather than the water
It seems unlikely to me. The heat would mostly be absorbed by the water and only a small amount would transfer to the surroundings.
Last edited by 0le; 1 month ago
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dinosaurz
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its literally because the kettle had to heat up first before so it could pass on heat energy to the water
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