Design an experiment to compare the relative abilities of water and isopropyl alcohol to support skipping stories include a prediction about which liquid will be better, along with a brief explanation of your prediction.

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

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

Idon’t know how to solve this question