The brown gas NO2 and the colourless gas N2O4 exist in equilibrium. N2O4(g) (2NO2(g) 0.625 mole of N2O4 was introduced into a 5.00 L vessel and was allowed to decompose until it reached equilibrium with NO2. The concentration of N2O4 at equilibrium was 0.0750 M. Calculate Kp for the reaction.

What is the mass of 4 molecules of co2

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.