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How is 18-electrone rule helpful in determining the number of metal-metal bonds in Fe3(co)12 and Co4(Co)12 ? explain with example that 18-electrone rule is not useful in distinguishing between bridging carbonyl group and terminal carbonyl group?
How does electron configuration work. If I have [Ar]3d^5 as an example how do I know what it actually equals
When 157mg of dipentylamine was added to 122mg of benzoic acid and 2mL of water, a completely homogenous solution was formed. Draw the sturctures of the species present in the water.
Consider an apparatus that consists of two flasks joined together by a valve. One flask consists of 10 L of nitrogen gas at 790 torr, whereas the other flask contains 16 L of helium gas at 740 torr. The temperature remains constant at 26?C. The..
Determine the mass of this substance should evaporate in order to freeze 190 grams of water at 25 degree Celsius initially? It is given that the heat of fusion H 2 O= 334 specific heat of H 2 O= 4.18
Monochromatic light falls on any one of the diodes that comprise the detector array of your OcieanOptics spectrometer. The signal is directly proportional to what quality of the light that impinges on it?
Student prepared .10M solution of formic acid and found it's pH at 25 Celsius to be 2.38. What is the pKa of formic acid at this temperature?
explain why it is appropriate to group a polyatomic ion in parentheses in a chemical formula, if more than one of that ion is present in the formula.
How many valence electrons does an oxygen atom have - What is the charge on the monatomicion that calcium forms in its compounds?
22.5ml of .383 molar h2so4 is required to completely neutralize 20ml of koh solution. what is the molarity of the koh
Calculate the heat evolved per mole on combustion of each substance to yield {rm CO_2}(g) and {rm H_2O}(g).
calculate the mass in kilograms of 3.99 liters of acetic acid. the density of this substance is 1.05g/mL ?
If 50 mL of .100 M NaOH is titrated with .100 M HCl, what is the pH of the solution after 30 ml of HCl solution has been added
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