Consider the phase change h2o(l) → h2o(g). this equation describes the phase change from liquid water to steam. think about the heat flow that is necessary for this change to take place. what do you predict about the process? it will be .

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

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here