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Problem- The ionization energy for lithium is 520 kJ/mol. The electron affinity for fluorine is -328 kJ/mol. Use these values and Hess's law to calculate the enthalpy for the following reaction per mole of reagent: Li(g)+F(g)?Li+(g)+F?(g), ?H=?
Please show how you obtained the answer
What is the difference between selectivity and sensitivity as these words pertain to sensors? Why or why not would you want a very sensitive sensor?
a liquid is heated in a vertical tube of constant diameter 15 m long. the flow is upward. at the entracnce the
The solution to physical chemistry, A laser used to read CDs emits red light of wavelength 700 nm. How many photons does the laser emit per second
the reaction mechanisms could be coupled, how many moles of ATP will be needed to drive
The method of standard additions was used to determine nitrite in a soil ample. an aliquot of 1.00 mL of the sample was mixed with 24.00 mL of a colorimetric reagent, and the nitrite was converted to a colored product with an absorbance of 0.300.
How would you compare the molar enthalpies of neutralization for a monoprotic acid, a diprotic acid, and a triprotic acid? Write the balanced chemical equations and include molar enthalpy values of each chemical reaction to support your conclusion..
what will be the heat capacity in units of jk of a constant pressure coffee-cup calorimter that contains 100.0 ml of
the michaelson-menten mechanism for enzyme catalyzed reactionses lt-gt rate k1 amp lt- rate k2gt es complex --k3-gt
Acetylene burns in air according to the following equation. C2H2(g) + 5/2 O2(g) 2 CO2(g) + H2O(g) H0rxn = -1255.8 kJ Given that H0f of CO2(g) = -393.5 kJ/mol and H0f of H2O(g) = -241.8 kJ/mol, what is H0f of C2H2(g)
A 1.00-g solid sample containing a mixture of NaCl and H3C6H5O7, a triprotic acid, is dissolved in 15 ml of water. Titration of the acid solution requires 25.40 mL of 0.1598 M NaOH solution to reach the endpoint.
A buffer solution is made that is 0.378 M in HClO and 0.378 M in KClO. (1) If Ka for HClO is 3.5E-8, what is the pH of the buffer solution. (2) Write the net ionic equation for the reaction that occurs when 0.082 mol KOH is added to 1.00 L of the ..
A 125g piece of metal is heated to 288c and dropped into 85.0g of water at 26.0c. If the final temperature of the water and metal is 58.0c then what is the specific heat of the metal.
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