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Test tubes are used mostly for a. storing experimental samples b. making precise measurements of liquids c. containing extra chemicals left over from an experiment d. holding substances so they can be viewed using a microscope
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Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -
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What is another way to determine mass times acceleration?
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Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element
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A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy
Answers: 3
Test tubes are used mostly for a. storing experimental samples b. making precise measurements of li...
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