Chemistry Crossword!

4. a number that expresses the relationship between the amounts of products and reactants present at equilibrium in a reversible chemical reaction at a given temperature
5. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction
9. the equilibrium constant for a solid substance dissolving in an aqueous solution
12. a chemical or physical reaction that releases heat
15. describes the interactions between energy sources within the Earth's environment
16. a relation stating that in a reaction mixture at equilibrium, there is a condition (given by the equilibrium constant, Kc) relating the concentrations of the reactants and products an industrial process for producing ammonia from oxygen and nitrogen

1. a formula describing the statistical distribution of particles in a system among different energy levels
2. if the equilibrium of a system is disturbed by a change in one or more of the determining factors (as temperature, pressure, or concentration) the system tends to adjust itself to a new equilibrium by counteracting as far as possible the effect of the change
3. a measure of the relative amounts of products and reactants present in a reaction at a given time
6. a chemical reaction accompanied by the absorption of heat
7. a state of balance between continuing processes
8. the effect on equilibrium that occurs when a common ion (an ion that is already contained in the solution) is added to a solution
10. a type of thermodynamic system where mass is conserved within the boundaries of the system, but energy is allowed to freely enter or exit the system
11. an industrial process for producing ammonia from nitrogen and hydrogen, using an iron catalyst at high temperature and pressure
13. a thermodynamic quantity equivalent to the total heat content of a system. It is equal to the internal energy of the system plus the product of pressure and volume
14. a thermodynamic quantity equivalent to the capacity of a system to do work