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Population ratio between two energy levels is 0.98. The space between the energy level is 0.625 meV. What is the system's temperature?
Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration
Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas.
What are the equilibrium partial pressures of CO(g) and CO2(g) when 2.32 atm CO(g) and excess FeO(s) react in a sealed container at 1000°C? PCO atm PCO2 atm
A 20.00 mL sample of 0.1026 M HCl was titrated with NaOH solution. The initial buret reading was 0.25 mL, and the final reading was 18.78 mL.
operating a heat exchanger with pentane and propane. 100 mol/h pentane enters at 300 C and leaves at 400 C. 100 mol/h propane enters at 600 C. What is the exit temperature?
Discuss the merits and disadvantages of dispensing a drug as a reacemic mixture or as a single enantiomer.
A student calibrates his/her calorimeter. S/he performs part 1 as instructed. The data are: 99.4 g water at 36.0°C are added to 98.0 g water in the calorimeter at 16.0°C.
The activation energy for a particular reaction is 88 kJ/mol. By what factor will the rate constant increase when the temperature is increased
The formula weight of compound X is 14,200 g/mol How many total mg of X are there in the panda pancreas?
What is the molarity of the prepared naoh solution as determined in the titration? How many moles of OH are present when the end point is reached? What color should the solution appear at end point?
Draw an energy diagram for the enthalpy of solution of NaCl given that the lattice energy is 773 kJ/mol, the enthalpy of hydration is -769 kJ/mol with an enthalpy of solution equal to 4 kJ/mol.
When Fe(NO3)3 is dissolved in water, hexaaquiron(III) ions, Fe(H2O)6 3+, forms. Fe(H2O)6 3+ ions hydrolyze in aquesous solution accoring to the equation given below.
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