tUse this information to solve the problems that follow. X is a metal that is solid under standard conditions. The element bromine is a diatomic liquid under standard conditions. 2X(s) + CaBr2 (s) Ca (s) +2XBr(s) AH =- 300 kJ/molpn rxn Ca (s) + 2 Br (1) → CaBr2 (s) 4H, =-675 kJ/mol AH°vop of Bra(1) = +29.6 kJ/mol AH mb of X (s) = +99.5 kJ/mol sub (a) Write a chemical reaction that would represent the heat of formation of the compound XBr(s) Cons 2N 0 for which the fllowing data are reles (b) Determine the value AH-of the compound XBr(s). 205 eaction. (alalete action. (c) Calculate the AHpxn for this reaction: (e)Caku 2XBr (s) →2X (g) + Br2 (g) ersdynamic fvorablity c

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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tUse this information to solve the problems that follow.
X is a metal that is solid under standard conditions.
The element bromine is a diatomic liquid under standard conditions.
2X(s) + CaBr, (s) → Ca (s) + 2XBr(s)
AH n = - 300 kJ/molxn
Ca (s) + ½ Br;(1) → CaBr, (s)
AH; =-675 kJ/mol
AH°vop of Br2(1) = +29.6 kJ/mol
%3D
AH°mib of X (s) = +99.5 kJ/mol
sub
%3D
(a) Write a chemical reaction that would represent the heat of formation of the compound
XBr(s)
sConside
2N
S C,
for wh
the following daata are releva
mal)
(b) Determine the value AH,of the compound XBr(s).
205
reaction
(6) Calculate AS
eacrion.
(c) Calculate the AHn for this reaction:
2XBr (s) → 2X (g) + Br2 (g)
dynamic favorabity of
Transcribed Image Text:tUse this information to solve the problems that follow. X is a metal that is solid under standard conditions. The element bromine is a diatomic liquid under standard conditions. 2X(s) + CaBr, (s) → Ca (s) + 2XBr(s) AH n = - 300 kJ/molxn Ca (s) + ½ Br;(1) → CaBr, (s) AH; =-675 kJ/mol AH°vop of Br2(1) = +29.6 kJ/mol %3D AH°mib of X (s) = +99.5 kJ/mol sub %3D (a) Write a chemical reaction that would represent the heat of formation of the compound XBr(s) sConside 2N S C, for wh the following daata are releva mal) (b) Determine the value AH,of the compound XBr(s). 205 reaction (6) Calculate AS eacrion. (c) Calculate the AHn for this reaction: 2XBr (s) → 2X (g) + Br2 (g) dynamic favorabity of
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