A 101 G Sample of NaOH Is Dissolved in 250

question 73

Multiple Choice

A 10.1 g sample of NaOH is dissolved in 250.0 g of water in a coffee-cup calorimeter.The temperature increases from 23.0 °C to ________°C.Specific heat of liquid water is 4.18 J/g-K and ΔH for the dissolution of sodium hydroxide in water is 44.4 kJ/mol.

• A)35.2
• B)24.0
• C)33.7
• D)33.3
• E)40.2

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Definitions:

Stored Unfrozen

Refers to items, particularly biological samples, kept at a temperature above freezing.

Anaphylactic Response

A severe, potentially life-threatening allergic reaction that can cause shock, a sudden drop in blood pressure, and difficulty breathing.

Central Venous Pressure

The pressure of blood in the thoracic vena cava, near the right atrium of the heart, reflecting the amount of blood returning to the heart and the heart's ability to pump the blood into the arterial system.

Hyperkalemia

A condition characterized by an abnormally high concentration of potassium in the blood, which can affect heart function and overall health.