Chemistry, 22.08.2019 07:20, ashhuizing
Do two compounds form a mixture or a pure substance when you put them together mechanically, such as by stirring?
Answers: 1
Chemistry, 22.06.2019 15:00, kandi2565
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
Do two compounds form a mixture or a pure substance when you put them together mechanically, such as...
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