A 900-G Iron Block Is Initially at 5°C

question 26

Multiple Choice

A 900-g iron block is initially at 5°C. Heat of 5,000 cal is added to it. What is the final temperature of the iron block? The specific heat of iron is 0.11 cal/g·°C.

• A) 45.5°C
• B) 50.5°C
• C) 55.5°C
• D) 60.5°C

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Definitions:

Oxygen Source

A supply system or device that delivers oxygen to patients requiring respiratory support, such as an oxygen cylinder or concentrator.

Noninvasive Ventilation

A method of providing ventilatory support through the patient's upper airway using a mask or similar device without the need for endotracheal intubation.

Terminal Airways

The final portions of the airway in the respiratory system where gas exchange occurs, including the bronchioles and alveoli.

Atelectasis

A condition characterized by the collapse of part or all of a lung, leading to decreased gas exchange and potentially breathing difficulties.