Answers: 3
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
Answers: 3
There are 4 mg of lead present in 2000 g of a water sample. What is the concentration of lead in m?...
Mathematics, 26.11.2020 01:00
History, 26.11.2020 01:00
Mathematics, 26.11.2020 01:00
Business, 26.11.2020 01:00
Mathematics, 26.11.2020 01:00
Health, 26.11.2020 01:00
History, 26.11.2020 01:00
Health, 26.11.2020 01:00
Chemistry, 26.11.2020 01:00
Biology, 26.11.2020 01:00
Mathematics, 26.11.2020 01:00
World Languages, 26.11.2020 01:00