A 440-G Block of Ice at -15

question 37

Multiple Choice

A 44.0-g block of ice at -15.0°C is dropped into a calorimeter (of negligible heat capacity) containing 100g. Of water at 5.0°C.When equilibrium is reached,how much of the ice will have melted? The specific heat of ice is 2090 J/kg ∙ K,that of water is 4186 J/kg ∙ K,and the latent heat of fusion of water is 33.5 × 10⁴ J/kg.

• A)2.1 g
• B)21 g
• C)5.2 g
• D)52 g
• E)4.4 g

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Definitions:

Falling Asleep

The transition from wakefulness to sleep, characterized by a decrease in bodily activity and consciousness.

Lack Of Sleep

The condition of not getting an adequate amount of rest or sleep, which can affect health and cognitive functions.

Somnambulism

Also known as sleepwalking, it is a behavior disorder originating during deep sleep leading to walking or performing other complex behaviors while asleep.

Sleep Apnoea

A sleep disorder where breathing repeatedly stops and starts during sleep, often leading to daytime fatigue.