Make sure to list known values on the side. Based on the wording of the question, we know that pressure is constant and moles is constant. You can rearrange the ideal gas equation and solve for the volume.
The image shows the street lights powered by its solar panels.which sequence shows the energy transformations taking place in th
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A.He
because He 's molecular weight is small than each other
because He 's molecular weight is small than each other
Answer:
Ehthalpy change for the reaction is -323 kJ
Explanation:
Enthalpy change for a reaction, is given as:
Where and
represents average bond energy in breaking "i" th bond and forming "j" th bond respectively.
and
are number of moles of bond break and form respectively.
Reaction:
Here, 2 moles of O-F bond and 2 moles of of O-H bond are broken
1 mol of O=O and 2 moles of H-F bonds are formed.
So,
So,