Compare the temperature dependence of the conductivity for metals and intrinsic semiconductors. briefly explain the difference in behavior

Two things that biomedical has invented or innovated

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

What are the chemical names of these compounds? ke: mg3n2: reset next