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Chemistry, 26.07.2019 09:50, estermartinez
Which of the following best describes a scientific model? a. something used to represent an idea or process b. a way to prove a theory is true c. a direct experience in nature d. a prediction that can be tested
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Answers: 2
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Chemistry, 21.06.2019 19:00, lizbeth232001
Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.
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Chemistry, 22.06.2019 15:00, levelebeasley1
Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
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Which of the following best describes a scientific model? a. something used to represent an idea or...
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