Phosphorus pentachloride decomposes at 160 °C to make phosphorus trichloride and chlorine gas. PCl5 (g) ⇌ PCl3 (g) + Cl2 (g) A 1.00 L vessel contains 4.50 M phosphorus pentachloride and 0.25 M phosphorus trichloride before heating to initiate decomposition. When the reaction reaches equilibrium, the concentration of chlorine gas is 3.20 M. The equilibrium expression in terms of concentration is Kc=[PCl3][Cl2][PCl5]. Which is the value of Kc under these conditions?

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.