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5 Um vidro contém 300 cm3 de mercúrio de densidade 13 g/cm3. Qual é massa de mercúrio contido no vidro?
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Compare and contrast physical changes with chemical changes.
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Describe the forces both attractive and repulsive that occur as two atoms move closer together.
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Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
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5 Um vidro contém 300 cm3 de mercúrio de densidade 13 g/cm3. Qual é massa de mercúrio contido no vid...
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