In an Experiment, 30

question 11

Multiple Choice

In an experiment, 30.0 g of metal is heated to 98.0 C and then quickly transferred to 50.0 g of water in a calorimeter at 27.0 11eed8b2_2d82_a951_a0ba_55ddc23a4114_TB6562_11 C.The heat capacity of the calorimeter with the water is 211 J/ 11eed8b2_2d82_a951_a0ba_55ddc23a4114_TB6562_11 C.The final temperature comes to 32.5 11eed8b2_2d82_a951_a0ba_55ddc23a4114_TB6562_11 C.What is the approximate specific heat capacity of the metal?
[c_p(water) = 4.18 J/(g .11eed8b2_2d82_a951_a0ba_55ddc23a4114_TB6562_11C) ]

• A)0.140 J/(g .
• B)83.0 J/(g .
• C)0.540 J/(g.
• D)0.591 J/(g .
• E)29.5 J/(g .

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Definitions:

Hydrophilic

Describes molecules or substances that are attracted to water and can be dissolved in it, typically because of the presence of polar groups.

Phospholipids

A class of lipids that are a major component of all cell membranes, consisting of two fatty acids, a glycerol unit, and a phosphate group, playing key roles in cellular structures and functions.

Choline

An essential nutrient that is part of the B-complex vitamin family; it's crucial for liver function, brain development, muscle movement, and metabolism.

Phosphatidic Acid

A fundamental diacylglycerol derivative with a phosphate group, playing a key role in lipid metabolism and the biosynthesis of glycerophospholipids.