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a sealed vessel containing helium, chlorine, and fluorine has a total pressure of 205 kpa and partial pressure of 15 kpa for chlorine and 89 kpa for fluorine.
what is the partial pressure of helium in kpa?

Select the correct answer from each drop-down menu. daniel and sanya are scientists. daniel is studying whether the increasing frequency of tropical storms is affecting coastal erosion. sanya is investigating whether the discharge from industrial plants has any impact on the ph concentration of freshwater swamps in the surrounding area. which fields of science are daniel’s and sanya’s studies most closely related to? daniel’s field of study is related to science, and sanya’s field of study is related to .

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

In salt water solution,the salt is the blank