If 461 G Cu at 11 $\circ$ C Is Placed in 85

question 24

Multiple Choice

If 46.1 g Cu at 11.6 ^$\circ$ C is placed in 85.0 g H₂O at 72.4 ^$\circ$ C,what is the final temperature of the mixture? The specific heat capacities of copper and water are 0.385 J/g.K and 4.184 J/g.K,respectively.

• A) 71.2 \(\circ\) C
• B) 63.6 \(\circ\) C
• C) 51.0 \(\circ\) C
• D) 42.0 \(\circ\) C
• E) 69.5 \(\circ\) C

---

Definitions:

Medical-Surgical Unit

A hospital unit specializing in the care of patients who require medical treatment or surgery that does not involve intensive care level of support.

Fall Risk

A measure of the likelihood that an individual, especially elders or those with physical limitations, will accidentally fall.

Siderails

Safety barriers attached to the sides of a bed, particularly hospital beds, to prevent patients from falling out.

Nursing Assistive Personnel

Support staff in the nursing field who assist with basic patient care under the supervision of registered nurses or licensed practical nurses.