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Guesstimate the extent of the dipole moment of H2O in Debye units, treating H2O as three point charges. suppose the O-H distance = 1.00 A, angle H-O-H =104°. The charges of Hydrogens = +0.5e and Oxygen = -1.0e, (where e = proton charge.)
A buffer solution containing 0.25 M Acetic acid and 0.56 m Sodium acetate. After addition of 0.0060 mol HCL what is Ph of buffer.
15.0 moles of gas are in a 5.00L tank at 22.2°C. compute the difference in pressure between CH4 and an ideal gas under these circumstances. The van der Waals constants for CH4 are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
Determine how many grams of NaCl should be dissolved in a liter of H 2 O to produce an isotonic solution?
Calculate how many grams of phosphorus are present in 2.68 moles of phosphorus pentachloride(PCl5) and also determine the numbers of moles of chlorine are present in 3.71 grams of phosphorus pentachloride?
Question : Explain and show how you would sythesise the following compounds, starting with benzene or toluene and any necessary acyclic reagents. Assume para is the major product.
Determine how many grams of aluminum hydroxide will get from 18.2g of aluminum sulfide and determine the density of this newly minted penny
Find the volume of a molar solution - What volume of a 0.250 molar solution of silver nitrate, AgNO 3 , is required to react with 18.6g of potassium phosphate
Determine How hot should be the air in a ballon be heated if it has initially a volume of 750. L at the temperature of 20 degree celsius and the final volume must be 1,000.l
An ice cube of 15.1 grams is placed into 304 grams of H 2 O. compute the change in temperature in the H 2 O upon completing melting of the ice.
If the actual yield is 220.0 g and the theoretical yield is 275.6 g then what will be the percent yield of ferrous sulfide.
Questions on chemical equations - Write a balanced equation for this reaction. Include the states of matter for each compound.
Compute pH and [OH-] for each of the following solutions. (a) 8.1×10-2M Na2CO3, (b) 0.15M NaCN
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