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You are comparing low temperature CVD growth of metal alloys from a variety of metal-organic precursors. In a design-of-experiments exercise to do this, you measure growth rates at various temperatures. For a Cu precursor you find that the growth rate raise by a factor of 10 from 200 to 400C, while that the increase is only a factor of 5 for a Ni precursor over the same temperature range.
a) Find out the activation energies for CVD growth from each of the precursors.
An aqueous solution of nitrous acid (HNO2) has a ?G= 19.1 kJ. What is the pH when [NO2-]=1.00 M, [HNO2]=1.00 M, and the ?G=0?
what is the mass of pentane that vaporizes? density is .626g/mL and pure vapor pressur eis 511 at 25 degree celcius. suppuse hexane and pentane each 75 ml is mixed in previoulsy evacuated 200 ml at 25 degree celcius.
how do you write the molecular amp net ionic equation for thereaction that occurs when aqueous solutions of lead
2 NO(g) + O2(g) 2 NO2(g) In one experiment 0.633 mole of NO is mixed with 0.354 mole of O2. Calculate also the number of moles of NO2 produced.
The endpoint corresponds to the equivalence point. D. At the equivalence point the amount of reagent added does not yet equal to the amount of analyte present
WHen electrons in a molecule are not found between a pair of atoms but move throughout the molecule, this is called
Silver metal crystallizes in a cubic closest packed structure. The face centered cubic unit cell edge is 409 pm. Calculate the density of the silver metal.
a student measures the melting point of benzil and reports themelting point in the lab notebook as 95c. explain what
You make 1.00 L of a buffered solution (pH = 4.00) by mixing acetic acid and sodium acetate. You have 1.00 M solutions of each component of the buffered solution. What volume of each solution do you mix to make such a buffered solution
Describe how you would make 2mL of the solutions that you described in the above using a 1.0 mg/mL solution of hemoglobin and a buffer to dilute it with.
How much heat do you need to raise the temperature of 150 g of gasoline from 30oC to 15oC?
What is the pH and the [OH-] of the solutions with the following [H3O+]? a) 2.3 x10-4 , b) 4.8 x10-8, c) 6.3 x10-2
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