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What is the balanced equation for the saponification of glyceryl trioloeate and sodium hydroxide?
Calcium sulfide has a face-centered cubic unit cell with calcium ions in octahedral holes. If the radius of sulfide ion is 184pm and the density of CaS is 2.60 g/cm3.
Making a dilute solution, A student in lab class needs to provide a detailed description of how to make a dilute solution of 500 g
Important information about Heat of Reaction, The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) --> 8CO2(g) + 10H2O(l) deltaHrxn= -5314kJ
Draw a band diagram for thermal/photo (Intrinsic) and doped (Extrinsic) semiconductors and explain the origin of semiconductivity.
Pure water, .120 m C6H12O6, .050 m LiBr and .050m Zn(NO3)2....which has the highest vapor pressure, highest boiling point and highest freezing point
If a diamond consisting of ten sextillion "randomly-selected" carbon atoms (roughly a one-Karat diamond) were placed on an anallytical balance, the balance would read.
if a sodium hydroxide solution were added to a solution containing leadii ions sodium ions nickelii ions and potassium
Write the equations that represent the first and second ionization steps for selenic acid (H2SEO4) in water.
What mass of CO2 is produced when 50.0 g of C2H4 reacts completely in the equation C2H4 + 3O2 = 2CO2 + 2H2O
Identify which of the following solutions may act as buffers by placing a check in the box next to the mixture. A. HNO3 , NaNO3 D. H2SO4, NaHSO4
A sample of ideal gas at room temperature occupies a volume of 23.0l at a pressure of 232torr . If the pressure changes to 1160torr , with no change in the temperature or moles of gas, what is the new volume,V2 ?
How do you who that both ZnS and CuS will precipitate at pH8. 2) Show that only CuS will precipitate when (H3O+) = 0.3M
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