Chemistry, 20.09.2020 06:01 mbonilla073
Which one of the following has more number of molecules? (4 marks ) 298 g of sugar (C12H22O11) 298 g of cholesterol (C27H46O)
Answers: 3
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The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
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Chemistry, 23.06.2019 00:00
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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Chemistry, 23.06.2019 00:10
Apropane torch is lit inside a hot air balloon during preflight preparations to inflate the balloon. which condition of the gas remains constant
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Which one of the following has more number of molecules? (4 marks ) 298 g of sugar (C12H22O11) 298 g...
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