How do you make co H2O 6 2?
How do you make co H2O 6 2?
Co(H2O)62+ is formed by dissolving CoCl2*H2O in water.
- The first sample of the solution is heated to boiling.
- The first sample now contains a hot CoCl42- solution. AgNO3 is added to produce Co(H2O)62+ again. A second sample is used as a reference.
- HCl is added to a third sample at room temperature.
What color is co h2o 6 3+?
The complexes [CoF6]3-, [Co(H2O)6]3+, and [Co(CN)6]3- are green, bluegreen, yellow-orange, and pale yellow, respectively,. Explain how this color progression is consistent with the crystal field slipping energies as generally predicted by the spectrochemical series in your text book. Show full question.
What color is CoCl2 solution?
purple
How does adding water affect equilibrium?
“Adding H2O(l) will have no effect on the equilibrium because the reactant is a liquid. Notice that the concentration of H2O(l) is not a part of the equilibrium constant expression.
How does removing a product affect equilibrium?
One way is to add or remove a product or a reactant in a chemical reaction at equilibrium. When additional product is added, the equilibrium shifts to reactants to reduce the stress. If reactant or product is removed, the equilibrium shifts to make more reactant or product, respectively, to make up for the loss.
Why do solids not affect equilibrium?
Pure solids or liquids are excluded from the equilibrium expression because their effective concentrations stay constant throughout the reaction. The concentration of a pure liquid or solid equals its density divided by its molar mass.
Does adding more solid affect equilibrium?
Le Châtelier’s Principle states that if you apply a stress to a system at equilibrium, the equilibrium will shift in the direction that will remove the stress. Therefore, adding or removing a solid from a system at equilibrium has no effect on the position of equilibrium.
Is KP equal to KC?
So some tips and tricks is that when delta n equals 0, that means that Kp will equal Kc. So that happens when basically delta n is 0. So then basically RT is raised to the zero power so that’s equal to one. So Kp=Kc and then if you have RT to the 0 power, this part, basically equals 1.
Which two factors would decrease reaction rate?
Reactant concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst are the four main factors that affect reaction rate.
Which best explains why sawdust burns more quickly?
Which best explains why sawdust burns more quickly than a block of wood of equal mass under the same conditions? The pressure of oxygen is greater on the sawdust. More molecules in the sawdust can collide with oxygen molecules. Oxygen is more concentrated near the sawdust than the block of wood.
What is optimal pH?
For instance, the term optimum pH refers to the pH resulting in maximal activity of a particular enzyme. Differing pH levels affect the shape of an enzyme. Enzymes in the intestine for instance work best at pH of 7.5 (therefore, the optimum pH).
Does temperature affect pH?
You can see that the pH of pure water decreases as the temperature increases. If the pH falls as temperature increases, this does not mean that water becomes more acidic at higher temperatures. A solution is acidic if there is an excess of hydrogen ions over hydroxide ions (i.e., pH < pOH).