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Calcium reacts with oxygen to make calcium oxide, CaO. What is the theoretical yield (g) of CaO(s) that could be prepared from 7.91 g of Ca(s) and 2.04 g of O2(g)?
Consider the cell reaction Sn(s) + Cu2+(aq) ? Sn2+(aq) + Cu(s). The value of Ecell is 0.447 V at 25°C. Calculate the value of ?G° and K for this cell.
a chemist is studying small organic compounds for their potential use as an antifreeze. when .243g of a compound is
What is the effect of raising the temperature or increasing the carrier gas flow rate on the ability to resolve two closely
(a) Derive the Cu2+ hydroxide solubility diagram given in class. Show your derivations for the lines and then plot the lines and include the solubility or CT,Cu as a function of pH (a log C - pH diagram)
Write out the balanced overall equation for the redox reaction that could occur between these species. An electric current would have to have what minimum potential to force the reaction forward?
The Ksp of lead(II) carbonate, PbCO3, is 7.40 × 10-14. Calculate the molar solubility of this compound.
A wavelength of 880 nm produces how much energy in joules per photon and kilojoules per mole of photons
How much 1.0 mol/L HCL would you need to add to 1 L of an imaginary buffer of 0.10 mol/L to change the pH from 6.8 to 6.0. Neglect volumes and remember that HCL disassociates completely
given this equation 2C4H10+13O2 yield 8CO2+10H2O how many moles of carbon dioxide is porduced from 3.85 moles of butane?
Sketch a potential energy versus reaction coordinates diagram for the following reaction
vitamin c l-ascorbic acid mw 176.0 gmol is a weak acid pka 4.863. suppose a 500.0 mg tablet is dissolved in water and
Find the number of moles of gas in a 70L container assuming that the pressure of gas is 50mm Hg and that the temperature is 350degC
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