The partial pressure of CH4 (g) is 0.175atm and that of O2 (g) is 0.250atm in a mixture of the two gases. A. What is the mole fraction of each gas in the mixture?

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro