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Based on their activation energies and energy changes and assuming that all collision factors are the same, which of the following reactions would be fastest and which would be slowest?
(a) Ea = 45kJ/mol; E = -25 kJ/mol(b) Ea = 35kJ/mol; E = -10 kJ/mol(c) Ea = 55kJ/mol; E = 10 kJ/mol
What would happened if HCl was accidentally used instead of Na2CO3 to extract caffeine from tea bags. Would you be able to fix your mistake. How
Draw the molecular orbitals for the following molecules CH20. Label the hybridization of all non-hydrogen atoms
Consider 3 amino acids A, B, and C. How many trimeric isomers would be formed. Show them.
What is the pH and the [OH-] of the solutions with the following [H3O+]? a) 2.3 x10-4 , b) 4.8 x10-8, c) 6.3 x10-2
What is the average molecular mass of a diving-gas mixture that contains 1.5\% by volume O2 and 98.5\% by volume He
A solution is made by mixing 49.0 mL of ethanol, C2H6O, and 51.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 degrees celcius
Titanium is a strong, lightweight, corrosion-resistant metal that is used in rockets, jet engines, and bicycle grams. It is prepared by the reaction of titanium (IV) chloride with molten magnesium between 950 and 1150 degrees C via the following r..
Describe a controlled experiment to investigate the effect that the amoun tof salt has on the corrosion process of a copper penny.
Consider the equation A(aq) + 2B(aq) ? ? 3C(aq) + 2D (aq) In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0mL of 0.100 M B. At equilibrium, the concentration of C is 0.0410 M . Calculate K.
Draw the Lewis structure for NOF. Nitrogen is the central atom. Include all lone pairs of electrons.
In dilute solution the carbonyl absorption band of II occurs at 1702/cm. Explain this observation. stretching vibration in carboxylic acids is heavily mixed
Calculate the expectation values for a particle in the state n = 5 moving in a one-dimensional box of length 2.48×10^(?10)m If someone can just help me out with the set up of the problem thatd be helpful.
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