How many moles of a solute is contained in 500mL of a 2.5 M solution?

The conventional equilibrium constant expression (kc) for the system below is: 2icl(s) ⇄ i2(s) + cl2(g) [cl2] ([i2] + [cl2])/2[icl] [i2][cl2]/[icl]2 none of the listed answers are correct [i2][cl2]/2[icl]

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Draw the structure for 5-isopropyl-2-methyl-3-nonene