Chemistry, 20.11.2020 21:20 vvvvvvvv84
Experimental evidence shows that a compound has an empirical formula of C4H5N2O and a molecular mass of 194.19 g/mol. From this data, what is this compound's molecular formula? (5 points)
Answers: 3
Chemistry, 22.06.2019 16:40, westball101
Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg
Answers: 3
Chemistry, 23.06.2019 00:00, alisonsolis155
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
Experimental evidence shows that a compound has an empirical formula of C4H5N2O and a molecular mass...
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