The Enthalpy Change for Converting 10

question 83

Multiple Choice

The enthalpy change for converting 10.0 g of ice at -50.0°C to water at 70.0°C is ________ kJ.The specific heats of ice,water,and steam are 2.09 J/gK,4.18 J/gK,and
1) 84 J/gK,respectively.For H₂O,ΔH_fus = 6.01 kJ/mol,and ΔH_vap = 40.67 kJ/mol.

• A) 12.28
• B) 5.22
• C) 3974
• D) 7.31
• E) 9.98

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Definitions:

Distinguishing Appearance

Characteristics or attributes that make an entity visually recognizable or unique.

Mask

A covering for the face or part of the face, used for protection, disguise, performance, or entertainment.

Appearance-Reality Tasks

Appearance-reality tasks are tests used in developmental psychology to assess a child's ability to distinguish between what something appears to be and what it really is.

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