Answers created by kelvin

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• A hazardous chemical is leaking from a tank truck. Rescue workers need to evacuate people who live near the accident. Why are more people likely to be affected if the chemical is a gas, rather than a liquid?
  
• How much power is produced if a voltage of `10 V` is applied to a circuit with a resistance of `400 Omega`?
  
• Why are chemical bonds important?
  
• How does atomic structure create insulators and conductors within matter?