How does the Flounder survive in New England? Part 2 Flashcards

1
Q

What is the most critical molecule for life on Earth?

A

Water (H2O)

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2
Q

What are the properties of Water?

A

Small in size
A Polar molecule
Forms hydrogen bonds
Bent Shape increases Polarity

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3
Q

What is a result of water’s polarity?

A

Wach water molecule attracts other water molecules and other polar molecules and ions

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4
Q

What are the 3 States of Water?

A

Liquid
Gas
Solid

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5
Q

What happens during the Liquid state?

A

Hydrogen bonds are constantly made and broken and made as they slide past each other

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6
Q

What happens during the Gas state?

A

Gas forms when water is heated increasing kinetic energy thus cause hydrogen bonds to break and water molecules to escape as vapor/steam

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7
Q

What happens during Solid state?

A

Temperature reduces and water freezes creating a crystalline structure maintained by hydrogen bonding which makes water a solid form, less dense and expanding

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8
Q

How does the Flounder Survive?

A

Due to the insulating ice layer caused by floating ice and also the Anti-Freeze proteins they have to stop crystallization of the water within them

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9
Q

What makes Water’s Heat Capacity High?

A

Specific Heat Capacity

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10
Q

What is Specific Heat Capacity?

A

The quantity of heat needed to raise the temperature per unit mass (which is 1 calorie for water)

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11
Q

What is the equation of Specific Heat Capacity?

A

High Polarity=Increased Hydrogen bonds thus More energy to change the temperature.

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12
Q

What is Heat of Vaporization?

A

The amount of energy required to change one gram of liquid substance to a gas

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13
Q

What happens through Vaporization?

A

Evaporation; which cools the body down

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14
Q

What is a Solute?

A

Molecules being dissolved

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15
Q

What is a Solvent?

A

The liquid that the solute is being dissolved in

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16
Q

What is a Solution?

A

The aqueous combination of molecules

17
Q

What are Hydrophobic Molecules?

A

Molecules that CANNOT dissolve in water

18
Q

What are Hydrophilic Molecules?

A

Molecules that dissolve in water

19
Q

What is Cohesion?

A

Attraction between like molecules

20
Q

What is Adhesion?

A

Attraction between unlike molecules

21
Q

What is Surface Tension?

A

Cohesive force that forms the capacity of a substance to withstand rupturing when placed under tension or stress

22
Q

What is an Acid?

A

Substance that gives up protons during chemical reactions and have under pH 7 on the scale

23
Q

What is a Base?

A

Substances that acquire protons during chemical reactions and have above pH 7 on scale

24
Q

What happens when you add an acid to a solution?

A

Increases proton concentration of solution

25
Q

What happens when you add a base to a solution

A

Decreases proton concentration of solution

26
Q

What does pH stand for?

A

Power of Hydrogen

27
Q

What is pH?

A

Logarithmic notation used to express concentration of protons in a solution

28
Q

What is neutral pH?

A

pH 7

29
Q

What are buffers?

A

Minimizes changes in pH