Chemistry, 15.11.2019 06:31 Brangolflro
What is the energy required to change a spherical drop of water to five smaller spherical drops of equal size? at room temperature, the surface tension of water is 72.0 mj·m–2. what is the energy required to change a spherical drop of water with a diameter of 1.40 mm to five smaller spherical drops of equal size? the surface area of a sphere of radius r is 4π r2 and the volume is 4π r3/3.
explain how you got
Answers: 3
Chemistry, 22.06.2019 23:00, liv467
Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?
Answers: 3
Chemistry, 23.06.2019 04:30, Har13526574
Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction
Answers: 1
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