Ascientist is conducting a descriptive experiment where she is monitoring sea level along coastal towns in california. what is a major benefit of this experiment? the relationship shows cause and effect. it is repeatable. a large amount of data can be collected. results can change over time.

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

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

0.2348 grams of pbcl2 used to form 44.0 ml of solution.