Flourine gas is placed in contact with Calcium metal at high temperatures to produce Calcium Fluoride powder. What is the formula equation for this reaction? F2(g) + Ca(s) ---> CaF2(l) F2(g) + Na(s) ---> NaF2(s) F2(g) + Ca(s) ---> CaF2(s) F2(g) + Na(s) ---> NaF2(l)

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .

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.