Mole introduction

1. how many cents are in one mole of pennies?

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

How many grams are in 68.2 molecules of br2?