A mixture of gases contains 0.25 mol of oxygen O2 1.30 mole argon At and 0.50 mol of methane CH4 1. What is the mole fraction of methane in the mixture
2. If the total pressure of the mixture is 2.50 atm what is the partial pressure of methane

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?