In the laboratory a student combines 30.9 mL of a 0.100 M manganese(II) bromide solution with 22.5 mL of a 0.560 M iron(III) bromide solution. What is the final concentration of bromide anion?

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

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 does the motion of particles in a gas change as the gas cools