solve for question 3.

3. Example: Reaction $BaCl_{2} ? H_{2} O (s)$ loses water when it is heated in an oven: $BaCl_{2} ? H_{2} O (s) ? BaCl_{2} (s) + H_{2} O (g) ? H^{?} ? S^{?} = 63.11 \frac{kJ}{mol} (at 298 K) = + 148 \frac{J}{K mol} (at 298 K)$ a. Write the expression and calculate the Keq of this reaction at $298 K$ . b. Calculate the Vapor pressure of $H_{2} O (PH_{2} O)$ at $298 K$ .

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solve for question 3.

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3. Example: Reaction

BaCl_{2} ? H_{2} O (s)

loses water when it is heated in an oven:

BaCl_{2} ? H_{2} O (s) ? BaCl_{2} (s) + H_{2} O (g) ? H^{?} ? S^{?} = 63.11 \frac{kJ}{mol} (at 298 K) = + 148 \frac{J}{K mol} (at 298 K)

a. Write the expression and calculate the Keq of this reaction at

298 K

. b. Calculate the Vapor pressure of

H_{2} O (PH_{2} O)

at

298 K

.

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(Solved): solve for question 3. 3. Example: Reaction BaCl2H2O(s) loses water when it is heated in an ...