Which of the following is an example of an element:
A) H₃O
B) He
C) Ca₂CO₃
D) Ca...
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Describe in detail the melting point behavior of the 80: 20 benzoic acid-mandelic acid mixture
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Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin
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A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction
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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
Answers: 3
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