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For a given second-order reaction involving only one reactant, the concentration of the reactant at the beginning of the reaction is 0.065 M. If the reaction rate constant at 45*C is 0.040 M -1min-1, how much reactant should be left after 50.0 minutes at this temperature?
Does doubling the concentrations (but not the volumes) of acid and base in a neutralization reaction double the amount of heat released. Explain
the following ions contain the same number of electrons. rank them in order of decreasing ionic radii.rank from largest
A fossil was analyzed and determined to have a carbon-14 level that is 54.0 that of living organisms. How old is the fossil
By titration against a standardized potassium permanganate solution in an acidic medium according to the following equation: 2 MnO4- + 5H2O2 + 6H+ -----> 5O2 + 2Mn2+ + 8H2O If 36.44 mL of a 0.01652 M KMnO4 solution are required to completely oxidi..
Predict the normal boiling point of pure B (in degrees Celcius) given that deltaHvaporization(Pure B)=67.9kJ/mol.
A silicon water is etched in a Cl2 plasma. A mass flow controller (used to meter the gas flow fed to the reactor) shows a reading of 100 sccm (sccm=standard cm3 per min; standard conditions are 273 K and 1 atm). The etching reactor operates at 100..
determine the acid dissociation constant for a 0.10m acetic acid solution that has a ph of 2.87. acetic acid is a weak
Briefly discuss the theories and important experiments that led to the determination that light is both a wave and a particle. i will rate the responses later
The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 5.63×10^-6m that must be absorbed to melt 3.30g of ice.
The solubility product constant for Ce(IO3)3 is 3.2 *10 ^-10, What is the Ce3+ concentration in a solution prepared by mixing 50.0 mL of 0.250 M Ce 3+ with 50.0 mL of 0.040 M IO3^-?
A reaction has a rate constant of 0.0810 sec-1, how much of the compound (in mol/L) is left after 0.752 min, if there was 0.303 mol/L at the start
the volume of an ideal gas is held constant. determine the ratio p2p1 of the final pressure to the initial pressure
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