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The frequency factor as well as the activation energy for a chemical reaction are A=8.0x10-12 cm^3/(molecule*s) and Ea=15.7 kJ/mol at 309 K, respectively. Find out the rate constant for this reaction at 309 K. Give answer in cm3/(molecule*s)
What volume of a concentrated HCL, which is 36.0% HCL by mass and has a density of 1.179g/mL , should be used to make 5.10 L of an HCL solution with a pH of 1.5
How many moles of each reactant are used in the epoxidation of cholesterol. Assume the 3-chloroperoxybenzoic acid is 80% pure. The reactants in this experiment were 3-chloroperoxybenzoic + Cholesterol
Determine number of moles of oxygen molecules are in the cylinder and compute the mass of solid C 2 H 3 NaO 2 required mixing with 60.0mL of .125M C 2 H 4 O 2 to form a ph 4.20 buffer?
an unknown rectangular substance measures 3.6 cm high 4.21 cm long and 1.17 cm wide. if the mass is 21.3g what is this
A reaction at 1.83 atm produces 11.9 L of a gas and evolves 91.3 kJ of heat (exothermic). Calculate the change in internal energy of the system (in kJ).
If the following elements were to form ions, they would attain the same number of electrons as which noble gas.
Write lewis structures for each of the following species. Use expanded octects as necessary.
draw all three resonance structures for the carbocation intermediate that results from STEP 2 in the electrophilic aromatic substitution reaction when benzoic acid reacts with Br2 in the presence of FeBr3
for a steel containing 0.4 ca at what temperature does austenite start to transform on cooling from 950 degree
In a battery, water is used as a salt bridge, and the two electrodes are Carbon and Aluminum. Find the standard reduction potential of the battery, and indicate which electrodes are cathode and anode.
write a balanced equation for the photosynthesis reaction in which gaseous carbon dioxide and liquid water react in the
Would you expect the packing efficiency of atoms in a crystalline solid be greater or less than that in the liquid form of the same element. Explain
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