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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Heat is the total potential energy of a substance that can be transferred. true false
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Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
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What is a problem solved using chemistry and what is the procedure amd materials used in the project...
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