How much energy is released when 0.40 mol c6h6(g) completely reacts with oxygen? 2c6h6(g) + 15o2(g) --> 12co2(g) + 6h2o(g)

Why must humans find substitutes for many minerals found on earth? (a) form at an extremely slow rate (b) controlled by other countries (c) too deep in the earth to collect

0.88 moles of n2o5 (g) was placed in a sealed 1.00 l vessel. calculate the equilibrium concentration of n2o5. no2, and o2 and the equilibrium constant after equilibrium has been reached by 65.0% of the n2o5 decomposing.

Where are the noble gases located in the periodic table? a. in the center b. on the left side c. in the upper right corner d. on the far right side