Explain hess''s law to calculate the enthalpy

Assignment Help Chemistry

Reference no: EM13516204

The ionization energy for sodium is 496 kJ/mol. The electron affinity for chlorine is -349 kJ/mol. Use these values and Hess's law to calculate the enthalpy for the following reaction: Na(g)+Cl(g) -> Na+(g) + Cl-(g)

Reference no: EM13516204

Questions Cloud

Writing assignment operating leverage : Writing Assignment Operating leverage

How do structured interviews differ from unstructured : Hoshimi has planned to carry out structured interviews. How do structured interviews differ from unstructured interviews? Which would be more appropriate for this study and why and what are the possible advantages and disadvantages of using face to..

Explain what mass of nah2po4 must be added to na2hpo4 : What mass of NaH2PO4 must be added to 1.20 L of 0.20 M Na2HPO4 to make a buffer solution whose pH=6.90? pKa2(H3PO4)=7.21.

Calculate how far underwater you must dive : When scuba diving, you must equalize the pressure inside your body with the water outside every few meters you dive downward or swim upwards in order to avoid serious health complications. Calculate how far underwater you must dive

Explain hess''s law to calculate the enthalpy : The ionization energy for sodium is 496 kJ/mol. The electron affinity for chlorine is -349 kJ/mol. Use these values and Hess's law to calculate the enthalpy for the following reaction: Na(g)+Cl(g) -> Na+(g) + Cl-(g)

What is the gauge pressure of ocean water : What is the gauge pressure of ocean water at a depth of 73.6 m? The density of ocean water is 1035 kg/m3

How to calculate the concentration of fe2+ in a solution : For FeCO3 dissolving in acid solution, the value of Keq is 0.66, calculate the concentration of Fe2+ in a solution obtained by treating solid FeCO3 with 0.315 M HNO3.

What is the change in the frequency heard by an observer : A car moving at 36 m/s passes a stationary police car whose siren has a frequency of 500 hz. What is the change in the frequency (in Hz) heard by an observer

Explain what is the chemical formula for the salt : A brown colored salt contains a cation from Group 3 (Fe, Mn, Ni). It has no reaction with concentrated H2SO4 and produces a soluble product with acidic AgNO3 and acidic BaCl2. This salt is not water soluble. What is the chemical formula for this s..

User Account

All Pages