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The rate constant for a certain chemical reaction is 0.00250 L mol -1 s-1 at 25.0 °C and 0.0125 L mol-1 s-1 at 50.0 °C. What is the activation energy for the reaction, expressed in kilojoules?
you decide to use gel filtration. this works brilliantly and you determine that your protein is 80kda at the same time.
How much heat is required to raise the temperature of 215g CH3OH (l) from 20.0 to 30.0 degrees C and vaporize it at 30.0 degrees C
Based on the amounts of reagents specified in this experiment, calculate the theorectical yield of asprin (180g/mol) in terms of moles and grams.
a 4.50 gram sample of LiCl at 25.0 dissolves in 25.o ml of water also at 25.0 Celsius. the final equilibrium temperature of the resulting solution is 60.8 Celsius. what is the enthalpy of solution, delta Hs of LiCl expressed in kilojoules per mole..
According to the Second Law of Thermodynamics, any process during which the entropy of the system increases will be product-favored.
two identical positive charges exert a repulsive force of 6.4x 10^-9 when seperated 3.2x10^- 10 m. calculate the charge of each
In a controlled greenhouse at 30.0C and 1.0 atm a crop of seeding tomato plants was found to consume 380 L of carbon dioxide gas during photosynthesis. Assuming 100% yield what a mass of glucose was produced for the growing plants?
Calculate its empirical formula - What is its molecular formula given that its molar mass is about 486g?
the volume of 4 cubic meters of gas is kept under constant pressure. its tempeture is increased from a minus 73 degrees celsius to 127 degrees celsius. What is the new volume of the gas?
A gaseous fuel mixture stored at 747 mmHg and 298 K contains merely methane and propane. While 11.3 L of this fuel mixture is burned, it produces 766 Kj of heat. Explain what is the mole fraction of methane in the mixture
The J=0 to J=1 transition for carbon monoxide (12C16O) occurs at 1.153 X 10^5 MHz. Calculate the bond length of carbon monoxide.
considering the given reaction 2s3o2rarr2so3 in which elemental s reacts with oxygen to produce so3 then find out how
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