I bet no one can give correct answer to this question with steps..​

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?