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The reactions is first order. At 230 *C, the rate constant for the isomerization is 6.3 x 10^-4/s. What is the half life? How long would it take for the concentration of CH3NC to decrease to 75% of its initial value? to 30% of its initial value
What is the reaction mechanism (detailed with arrows) for trans-cinnamaldehyde when reacted with benzyltriphenylphosphonium chloride?
The absorbance at 595 nm was 0.78 and,according to a standard curve, corresponds to 0.015 mg of proteinon the x axis. What is the protein concentration of the original solution?
Calculate the total concentration of lead for a system containing a fixed concentration (0.01 M) of KI. Note (s) denotes solid and (aq) denotes aqueous
At 450 K the rate constant is 15.4 atm-1s-1. How much time (in s) is needed for NOCl originally at a partial pressure of 46 torr to decay to 25.8 torr?
A sample of sodium reacts completely with 0.355 of chlorine, forming 585 of sodium chloride. What mass of sodium reacted?
Starting with a sample of (R)-2,3-dimethylhexan-3-ol, provide the best synthesis of (R)-3-chloro-2,3-dimethylhexane
If 15 grams of copper (II) chloride react with 20 grams of soduim nitrate, how much sodium chloride can be formed?
Rutherford result also showed that the most of the atom's mass is located in the nucleus which has a very small volume.
A gas sample has an original volume of 700 ml when collected at 750 mm and 25°C. What will be the volume of the gas sample if the pressure increases to 810 mm and the temperature increases to 30°C?
Keq is 1.60 at 933 K for this reaction. H2(g) + CO2(g) H2O(g) + CO(g) Calculate the equilibrium concentration of hydrogen when [CO2] = 0.290 mol/L, [H2O] = 0.250 mol/L, and [CO] = 0.210 mol/L.
How many moles of PbI2 are formed? What is the concentration of KNO3? What is the remaining concentration of the reactant that was in excess?
How much heat is needed to vaporize 3.63 g of liquid oxygen if the molar heat of vaporization for oxygen is 1,629 cal/mole?
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