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A first order reaction has an Arrhenius constant for the reactionis 4.8 x 1011 sec -1, and an activation energy of 61.4 kJ. At what temperature (in Celsius) is the rate constant equal to 0.459 sec-1?
the frost melts due to the sun heating the surface of the car above the melting point B) the frost evaporates due to the sun heating the solid c) the frost cycles as does the saturation level of moisture in the winter air does from night to day Th..
Calculate the solubility of CuX (Ksp=[Cu2+][X2-]=1.27*10^-36) in a solution that is 0.170M in NaCN.
what volume of hydrochloric acid solution of 0.25 m must be diluted to prepare 1.00 l of 0.040 m hcl?a 3.0-l flask
What is the temperature of 0.600 mol of gas at a pressure of 1.5 atm and a volume of 12.1 L
air at 100 kpa and 27degc enters an isentropic compressor at a rate of 100 ls and leaves at 1000 kpa. determine the
Devising a Reduction Potential Table, Why was it necessary to do Step 3 of the Laboratory Investigations
When the gases diydrogen sulfide and oxygen react, they form the gases sulfur dioxide and water vapor. A: Express the answer as a chemical equation. Identify all of the phases in the answer. Balance the equation
Describe how a linear sequence of amino acids gives rise to the three-dimensional structure of proteins.
Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide (H2O2) are needed to react completely with 265 g of lead(II) sulfide
the expresssion for the freezing point depression of a solution relative to that of the pure solute is shown above.
A sample of C3H8 Has 3.84X10^24 H atoms. a) how many carbons does the sample contain b) calculate the total mass of the sample
In the chemical kinetics experiment, describe how you plan to mix the dye and bleach to start the reaction and when you expect to start recording the time? Include the volumes of dye and bleach solution you intend to mix? How are you going to make..
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