The Standard Enthalpy of Formation of RbF(s)is -557

question 48

Multiple Choice

The standard enthalpy of formation of RbF(s) is -557.7kJ/mol and the standard enthalpy of formation of RbF(aq,1 m) is -583.8 kJ/mol.Determine the enthalpy of solution of RbF and indicate whether the solution temperature will increase or decrease when RbF is dissolved in water.

• A) -26.1 kJ/mol; increase
• B) 26.1 kJ/mol; increase
• C) -26.1 kJ/mol; decrease
• D) +1141.5 kJ/mol; increase
• E) -1141.5 kJ/mol; decrease

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Definitions:

Posterior To The Liver

Located behind the liver, referring to the spatial relationship of organs or structures within the body.

Posterior To The Stomach

Located behind the stomach, referring to anatomical structures that are situated toward the back of the human body in relation to the stomach.

Left Side Of The Abdomen

The left portion of the abdomen, housing important organs such as part of the stomach, the left kidney, the spleen, and portions of the colon.

Cisterna Chyli

A dilated sac at the lower end of the thoracic duct into which lymph from the intestinal trunk and two lumbar lymphatic trunks flow.