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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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
Transcribed Image Text:g
44.956
mol
atomic mass
electronegativity
1.36
kJ
18.1
mol
electron affinity
kJ
633.1
mol
ionization energy
kJ
16.
mol
heat of fusion
Does the following reaction absorb or release energy?
O release
O absorb
(1) Sc(g) + e
Sc (g)
O Can't be decided with the data given.
Is it possible to calculate the amount of energy absorbed
or released by reaction (1) using only the data above?
O yes
O no
If you answered yes to the previous question, enter the
amount of energy absorbed or released by reaction (1):
O kJ/mol
Does the following reaction absorb or release energy?
O release
O absorb
(2) Sc (g)
- Sc (g) + e
O Can't be decided with the data given.
Is it possible to calculate the amount of energy absorbed
or released by reaction (2) using only the data above?
O yes
O no
If you answered yes to the previous question, enter the
amount of energy absorbed or released by reaction (2):
O kJ/mol
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- The enthalpy change for the reaction between two molecules of carbon oxysulfide (COS) to form one molecule of CO2 and one molecule of CS2 as shown below, is -3.2 x 10-24 kJ per molecule of COS. The bond energy for the C-S bond in CS2 has been determined to be 552 kJ/mol. 1st attempt O See Hint What is the apparent bond energy of a carbon-sulfur bond in COS? Use the bond energies below. kJ Bond Energy Bonds (kJ/mole) C=S 552arrow_forwardConside. following data for osmium: atomic mass electronegativity electron affinity ionization energy heat of fusion 190.23 106.1 2.20 840. 31. mol Explanation kJ mol kJ mol You may find additional useful data in the ALEKS Data tab. kJ mol Does the following reaction absorb or release energy? (1) Os (g) → Os (g) + e 1 Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? Check If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? (2) Os (g) + e - Os (g) Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): Q Search release absorb O Can't be decided with the data given. yes Ono kJ/mol O release O absorb O Can't be decided with the data given. yes no…arrow_forwardURGENT NEED HELParrow_forward
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- In each row, pick the compound with the bigger lattice energy. Note: lattice energy is always greater than zero. Which compound has the bigger lattice energy? BaF2 BaO Na, S K,S CaF2 Ca Cl,arrow_forwardThe enthalpy of the formation of ammonium chloride is AH° = -175.9 kJ/mol at 25°C. Calculate the change in energy (AE) for this reaction. NH3(g). + HCl(g) → NH,Cl(s)arrow_forwardThe standard heat of formation of BaBr2BaBr2 is −−764 kJ/molkJ/mol. The first ionization energy of BaBa is 503 kJ/molkJ/mol and its second ionization energy is 965 kJ/molkJ/mol. The heat of sublimation of Ba[Ba(s)→Ba(g)]Ba[Ba(s)→Ba(g)] is 175 kJ/molkJ/mol. The bond energy of Br2Br2 is 193 kJ/molkJ/mol, the heat of vaporization of Br2(l)Br2(l) is 31 kJ/molkJ/mol, and the electron affinity of BrBr is −−325 kJ/molkJ/mol. Calculate the lattice energy of BaBr2BaBr2.arrow_forward
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