Chemistry, 28.10.2020 20:00 itsmichaelhere1
A reaction is performed in a beaker with a temperature probe recording the
temperature changes of the reaction. If the temperature began at 15.0 degrees
Celsius and ended at 27.5 degrees Celsius. If the reaction is our system, is the
system endothermic or exothermic?
Answers: 2
Chemistry, 22.06.2019 09:10
Which class of molecules functions as chemical signals? hormones water carbohydrates proteins
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Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
Chemistry, 22.06.2019 16:30
Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)
Answers: 1
A reaction is performed in a beaker with a temperature probe recording the
temperature changes of t...
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