Can We Really Build Cars That Run Only On Water?

Can We Really Build Cars That Run Only On Water?

Assessment

Interactive Video

Physics, Science, Chemistry, Other, Engineering

KG - University

Hard

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The video explores the concept of water-fueled cars, highlighting the scientific challenges and limitations. It explains that while water itself is not a fuel, hydrogen extracted from water through electrolysis can be used as a combustible energy source. However, the energy required for electrolysis exceeds the energy gained from hydrogen combustion, making water-fueled cars impractical under current thermodynamic laws. Despite claims by some inventors, no verified water-fueled cars exist on the market. The video concludes with a note on the potential for future technological advancements.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the energy requirements for splitting water compared to the energy obtained from hydrogen combustion.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the implications of the laws of thermodynamics on the concept of water-powered cars?

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