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The rate constant for the decomposition of dinitrogen pentoxide to form nitrogen dioxide and oxygen gas has the rate constant 1.7 x 10-3 s-1. This is a first order reaction.
A reaction with the activation energy Ea= 219.00 kJ/mol, has a rate constant k = 2.400 x 101 at 565.00 Kelvin. Determine the rate constant when the temperature is changed to 861.00 Kelvin. R = 8.314
In a certain decomposition reaction, dinitrogen pentoxide decomposes to form nitrogen dioxide gas and oxygen gas. It was found that at 187 seconds the concentration of oxygen gas was 0.374 mol/L and
The second order rate constant for a reaction is 8.700 x 103 M-1s-1. If the initial reagent concentration is 0.90500 mol/L, determine the time (in seconds) required for the reagent concentration to
Determine the activation energy Ea in kJ/mol for a reaction who's rate constant k1 = 4.600 x 10(-5) at 364.00 Kelvin changes to k2 = 7.500 x 10(-3) when the temperature is changed to 790.00 Kelvin.
The second order rate constant for a reaction is 4.2300 x 102 M-1s-1. If the initial reagent concentration is 0.93800 mol/L, determine the time (in seconds) required for the reagent concentration to
A reaction with the activation energy Ea= 153.00 kJ/mol, has a rate constant k = 6.400 x 10(-4) at 364.00 Kelvin. Determine the temperature required to increase the rate constant 5 times . R = 8.314
What is the rate of formation of carbon dioxide over the specified time period in this reaction
A reaction with the activation energy Ea= 166.00 kJ/mol, has a rate constant k = 3.900 x 102 at 329.00 Kelvin. Determine the rate constant when the temperature is changed to 693.00 Kelvin. R = 8.314
The rate constant for the decomposition of dinitrogen pentoxide to form nitrogen dioxide and oxygen gas has the rate constant 1.7 x 10-3 s-1. This is a first order reaction. How long would it take f
Liquid tetraethyllead reacts according to the balanced equation. When 419 g of CO2 is produced, calculate the sign and magnitude (kJ) of the heat produced.
Label the anode, cathode and direction of e- flow an write the half reaction equation for each electrode
A 5.61g sample of NaCl is added to 112mL of pure water (density of pure water @ 25 degree celcius is 0.9982g/mL). What is the mass % of the NaCl solution
What is the molar concentration of Mn in the unknown solution
What is the molar absorptivity of the unknown compound. What is the concentration of the compound in a solution, if the absorbance of the solution in a 1.00 cm cell at 520 nm is 0.320
Drinking water in the USA cannot exceed 0.5 ppm mercury. What mass of mercury is present in 2.4 L of water at this concentration
The Kb of ammonia is 1.8 x 10-5. What is the percent ionization of a solution of ammonia, 0.50 mol L-1 NH3, that contains 0.020 mol L-1 of ammonium nitrate, NH4NO3
What is the value of K for the reaction between hydrocyanic acid and ammonia, which is shown here
In the above system, if lead nitrate is added to sodium chromate, what concentration of lead nitrate is required to begin formation of a precipitate? CHOOH(aq) + H2O(l) CHOO-(aq) + H3O+(aq)
Naphthalene is a hydrocarbon that is commonly found in mothballs. Naphthalene is 93.75% carbon by mas. If Naphthalene's molecular formula is twice its empirical formula , What the molar mass
The normal boiling point of water (delta H vap = 40.7 kJ/mol) is 100c. At the summit of mount Everest the boiling point of water is 70 c. Calculate the pressure in (torr) at the summit of Mount Ev.
To determine the concentration of Cu+2 in a large sample of water an electrochemical was constructed usingAg+1 (1.0 M) and Ag as the athode and Cu in the CU+2 containing solution as the anode. the c
A 15.0 L sample of a gas has a mass of 18.0 g at 25.0 ° C and 740. torr. What is the density of the gas at STP?