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A first order decomposition reaction has a rate constant of 0.0418yr-1. What is the half-life of the reaction in yr? (give answer to 3 sig figs using E notation)?
For each of the five principles of biochemistry give an example(step or series) from a biochemical pathway that satisfies each principle
Calculate the enthalpy of vaporization of Br2. This element has vapor pressures of 271 mm Hg and 565 mm Hg at 30.0 °C and 50.0 °C, respectively.
Write balanced net ionic equation for the neutralization of equal molar amounts of HBr and NH_3
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. R = 8.314 J Enter your answer in kJ.K-1mol-1
How many moles of NaOH were required to neutralize the amount of KHP in Part b. d) What is the concentration of the NaOH solution?
The heat of reaction for the combustion of cyclohexane, C6H12, is 936.8 kcal/mol. What is the heat of combustion for cyclohexane in kcal/gram?
Why is sulfuric acid, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?2. A sample of 150 mg of an organic compound is dissolved in 7.5 ml of water. The solution is paced in a 20-cm polarimeter tube and the rotation meas..
How much heat is evolved when 3ll.5g of ammonia (NH3) gas condenses to a liquid at its boiling point? ^Hvap= 23.3 kj/mol.
What would you expect the differene between reactivity of the following pair? hexane and cyclohexene
How many milliliters of N2 (measured at 0.740 atm and 100. °C) could be formed if the following reaction occurs?4NH3(g) + 3O2(g) 2N2(g) + 6H2O(g)
what we observed that 1.00 mole Hydrogen, 1.00 mol Iodine and 1.00 mole hydrogen iodide are introduced into a container of capacity 1.00-L. compute the concentrations of each species if equilibrium is reached?
Explain the large disparity in the numerical results pf Part (a). Discuss the advantages and disadvantages of the three energy sources.
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