How many moles of CO2 form when 4.0 mol of ethane, C2H6, react? 2C2H6 + 702 + 4CO2 + 6H20
A. 8 mol
B. 2 mol
C. 6 mol
D. 4 mol

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

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.

Word equation for k+ h2o yield koh + h2