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The oxidation of nitrogen monoxide gas by molecular oxygen to form nitrogen dioxide gas is reversible and exothermic. Predict the effect of each of the following changes on the position of the equilibrium and a relative change in Kc.
a. addition of more oxygen
b. addition of more nitrogen dioxide
c. increase in P
d. increase in T
Dissolving 3g of an impure sample of CaCO3 in HCl produces .656 L of CO2, measured at 293 K and 1.04 atm. What is the percent by mass of the CaCO3 in the sample?
What mass of F2 is needed to produce 167 g of PF3 if the reaction has a 77.0% yield?
If 8.6 L of NO is combined with excess O2 at STP, what is the volume in liters of the NO2 produced?
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility in the following. (a) pure water (b) 0.20 M KBr solution (c) 0.15 M Pb(NO3)2 solution
Since that food is not commonly consumed by the general public, what part of the population would be likely to suffer a biotin deficiency by way of consuming that food
At 25 degrees celsius how many dissociated H+ ions are in 167 mL of an aqueous sloution whose ph=12.07? hint find concentration of H+
For the reaction PCl5-> PCl3+Cl2 kp= 26.03 at 800K. calculate the equilibrium partial pressure for the reactant and product if the initial pressures are PPCl5= .54 atm and PPCl3= .37 atm.
A 2g sample of an unknown metal, M, was completely burned in excess O2 to yield .02224mol of the metal oxide, M2O3. What is the metal
phosphate combines with sodium hydrogen phosphate to yield sodium tripolyphosphate and water
How many kilojoules of heat must be provided to convert one gram of liquid water at 67 degrees Celsius into one gram of steam at 100 degrees Celsius?
provide the correct molecular geometry by its English name and by drawing the proper stucture. Use a three dimensional drawing.
Find delta H for the solution of one mole of NaOH in H2O If calorimeter constant is 11 cal/deg C
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