Use the Bond Enthalpy Data Given to Estimate the Heat $\circ$

question 43

Multiple Choice

Use the bond enthalpy data given to estimate the heat released when 25.0 g of acetylene gas, C₂H₂, burns in excess oxygen to yield carbon dioxide and water vapor at 25 ^$\circ$ C.
BE(C-C) = 347 kJ/mol
BE(C $\equiv$ C) = 812 kJ/mol
BE(C=O in CO₂) = 799 kJ/mol
BE(C-H) = 414 kJ/mol
BE(O-H) = 460 kJ/mol
BE(O=O) = 498.7 kJ/mol

• A) 16.8 kJ
• B) 364 kJ
• C) 447 kJ
• D) 1180 kJ
• E) 1230 kJ

Explain the process and significance of setting group goals and contracts in initial sessions.

Identify interventions helpful for group development and addressing dysfunctional behaviors.

Understand the role of social workers across the lifespan of a group.

Appreciate the dynamics and challenges of online groups versus traditional groups.

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Definitions:

Conditioned Stimulus

A formerly neutral stimulus which, following its association with an unconditioned stimulus, leads to the triggering of a conditioned response.

Draft Exemptions

Provisions allowing certain individuals to avoid being conscripted into military service based on criteria like health, occupation, or moral beliefs.

Agricultural Exemptions

Policies or laws that excuse the agricultural sector from certain regulations or requirements that apply to other sectors, often in the context of labor.

Marriage Exemptions

Laws or policies that provide certain benefits or exceptions to married couples that are not available to single individuals.