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Ch. 2 The Chemistry of Life
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814당신이 사용하는 게 아니라요?교과서 변경
2장, 문제 11

Which of the following is not a property of water?
a. Water has a high heat capacity.
b. Water doesn't take heat with it when it evaporates.
c. Water is a polar solvent in which many solutes will dissolve.
d. Water serves as a cushion and lubricant in the body.

검증된 단계별 안내
1
Step 1: Understand the properties of water. Water has several key properties that make it essential for life, including high heat capacity, polarity, ability to dissolve many solutes, and its role as a cushion and lubricant in the body.
Step 2: Analyze each option provided in the question. For example, option (a) states that water has a high heat capacity, which is true because water can absorb and retain heat without a significant change in temperature.
Step 3: Evaluate option (b). This option states that water doesn't take heat with it when it evaporates. This is incorrect because water does take heat with it during evaporation, a process known as evaporative cooling.
Step 4: Review option (c). Water is a polar solvent, meaning it has a partial positive and negative charge, allowing it to dissolve many solutes. This is a true property of water.
Step 5: Examine option (d). Water serves as a cushion and lubricant in the body, such as in synovial fluid in joints. This is also a true property of water. Based on this analysis, the correct answer is the one that does not align with water's properties.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Properties of Water

Water has unique properties that are essential for life, including high heat capacity, polarity, and its role as a solvent. These properties arise from the molecular structure of water, which allows it to absorb and retain heat, dissolve various substances, and provide cushioning in biological systems.

High Heat Capacity

High heat capacity refers to water's ability to absorb a significant amount of heat without a large change in temperature. This property helps regulate temperature in organisms and environments, making water crucial for maintaining stable conditions necessary for life.

Polarity of Water

Water is a polar molecule, meaning it has a partial positive charge on one side and a partial negative charge on the other. This polarity allows water to interact with various solutes, making it an excellent solvent for ionic and polar substances, which is vital for biochemical reactions in living organisms.
관련 실천
교과서 질문

With respect to their solubility in water, substances with nonpolar covalent bonds are__________, while substances with polar covalent and ionic bonds are__________.

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교과서 질문

An enzyme is a:

a. biological catalyst that increases the concentration of the products.

b. biological catalyst that increases the concentration of the reactants.

c. chemical that is used in a reaction, after which it can no longer be used by the cell.

d. biological catalyst that works by bringing its substrates closer to their transition states.

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교과서 질문

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Acids dissociate in water to give hydrogen ions and an anion.

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교과서 질문

Which of the following would not result in an increase in reaction rate?

a. Increase in temperature

b. Particles in the solid phase

c. Presence of a catalyst

d. Smaller particle size

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교과서 질문

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

As a solution's pH rises, it becomes more acidic.

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교과서 질문

Match the following terms with the correct definition:

      Endergonic reaction

      Potential energy

      Electrical energy

      Anabolic reaction

      Oxidation-reduction reaction

      Chemical energy

      Catabolic reaction

      Kinetic energy

a. Energy in motion

b. Energy stored in chemical bonds

c. Reaction that consumes energy

d. A decomposition reaction

e. The energy of moving charged particles

f. Stored energy

g. Synthesis reaction

h. Reaction where electrons are transferred between reactants  

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