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Give examples of different oxides and halides that the 1st row d block metals can form. Which ones can form more than 1 oxide and halide and why?
What does Hydrolysis mean?
What happens if you hydrolyse a row d block metal?
Does the same thing happen for all of them
assume that the unshaded spheres in the buret represent h ions the shaded spheres in the flask represent oh- ions and
Find the real and imaginary parts of the Fourier transform of a casual function exp(-πx2/ σ2) x>0. Why do we get both real and imaginary parts for this transform
You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid (pKa = 4.20) and 0.200 M sodium benzoate. How much of each solution should be mixed to prepare this buffer
What will be the final temperature of the solution in a coffee cup calorimeter if a 50.00 ml sample of .250 M HCl is added to a 50 ml sample of .250 NaOH
Calcium metal has a density of 1.55g/cm3 and crystallizes in a cubic unit cell with an edge length of 558.2pm. a. how many Ca atoms are in one unit cell?
what is the vapor pressure at 40 degrees Celcius of a solution containing 4.60*10^2 g of glycerin, C3H8O3, nonvolatile, nonelectrolyte solute, in 4.5*10^2 g of water? The vapor pressure of water at 40 degrees Celcius is 55.3 mmHg
Ethylene gycol has a density of 1.11g/mL. What is the volume of 30.0 g of ethylene glycol?
FeS(s) dissolves by the addition of HNO3 in a manner similar to that of CuS(s). In the process, the Fe2+ ion is oxidized to Fe3+ ion. Write an equation for this reaction.
Determine the mass of a mixture of 1.33x10^24 formula units of Sodium sulfate, 1.500 moles of Water and 3.77g of silver chloride?
An element has a half life of I month. Given 1000 radioactive atoms, how many radioactive elements will remain after 3 months?
The convention of arbitrarily assigning a zero enthalpy value to all the most stable elements in the standards state and (usually) 298 K is a convenient way of dealing with the enthalpy changes of chemical processes.
What is the minimum pressure in kPa that must be applied at 25^degree C to obtain pure water by reverse osmosis from water that is 0.191 M in sodium chloride and 0.083 M in zinc sulfate? Assume complete dissociation for electrolytes.
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