Chapter 2 - Chemistry Comes Alive

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Properties of Water

Atoms Molecules Biochemistry

FINAL ROUND

Properties of Water:

$100 Question

Ice floats on water because…

a. water expands when it freezes

b. ice has a greater density than water

c. water shrinks when it freezes

d. of cohesion

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ANSWER

Properties of Water:

$100 Answer

Ice floats on water because…

a. water expands when it freezes

b. ice has a greater density than water

c. water shrinks when it freezes

d. of cohesion

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Properties of Water:

$200 Question

When Kool-Aid is dissolved in water, Kool-Aid is the

a. reactant

b. solution

c. solute

d. solvent

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ANSWER

Properties of Water:

$200 Answer

When Kool-Aid is dissolved in water, Kool-Aid is the

a. reactant

b. solution

c. solute

d. solvent

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Properties of Water:

$300 Question

Water molecules form ___________ ________ with other water molecules.

a. ionic bonds

b. Hydrogen bonds

c. peptide bonds

d. strong bonds

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ANSWER

Properties of Water:

$300 Answer

Water molecules form ___________ ________ with other water molecules.

a. Ionic bonds

b. hydrogen bonds

c. peptide bonds

d. strong bonds

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Properties of Water:

$400 Question

Surface tension is an example of…

a. polarity

b. adhesion

c. cohesion

d. viscosity

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ANSWER

Properties of Water:

$400 Answer

Surface tension is an example of…

a. polarity

b. adhesion

c. cohesion

d. viscosity

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Properties of Water:

$500 Question

Hydrophylic substances…

a. are substances attracted to H2O

b. are substances not attracted to H2O

c. are non-polar

d. are usually oils

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ANSWER

Properties of Water:

$500 Answer

Hydrophylic substances…

a. are substances attracted to H2O

b. are substances not attracted to H2O

c. are non-polar

d. are usually oilsBACK TO GAME

Atoms:

$100 Question

C is the chemical symbol for which element?

a. Calcium

b. Carbon

c. Sodium

d. PotassiumBACK TO GAME

ANSWER

Atoms:

$100 Answer

C is the chemical symbol for which element?

a. Calcium

b. Carbon

c. Sodium

d. PotassiumBACK TO GAME

Atoms:

$200 Question

The atomic number is always equal to the number of _______ in an atom.

a. protons

b. electrons

c. neutrons

d. protons and neutronsBACK TO GAME

ANSWER

Atoms:

$200 Answer

The atomic number is always equal to the number of _______ in an atom.

a. protons

b. electrons

c. neutrons

d. protons and neutronsBACK TO GAME

Atoms:

$300 Question

These particles are found inside the nucleus…

a. protons; electrons

b. protons; neutrons

c. electrons; neutrons

d. neutrons; photons

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ANSWER

Atoms:

$300 Answer

These particles are found inside the nucleus…

a. protons; electrons

b. protons; neutrons

c. electrons; neutrons

d. neutrons; photons

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Atoms:

$400 Question

If an atom gains an electron, the resulting charge of that atom is more _________.

a. positive

b. negative

c. neutral

d. It varies from atom to atom.

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ANSWER

Atoms:

$400 Answer

If an atom gains an electron, the resulting charge of that atom is more _________.

a. positive

b. negative

c. neutral

d. It varies from atom to atom.

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Atoms:

$500 Question

If the atomic number of a neutral atom of Ca is 20 and the mass number is 22, how many electrons does Ca have?

a. 20

b. 21

c. 22

d. 24BACK TO GAME

ANSWER

Atoms:

$500 Answer

If the atomic number of a neutral atom of Ca is 20 and the mass number is 22, how many electrons does Ca have?

a. 20

b. 21

c. 22

d. 24BACK TO GAME

Organic Compounds

$100 Question

What is the monomer of lipids?

a. H2O

b. amino acids

c. triglyceride

d. monosaccharide

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ANSWER

Organic Compounds

$100 Answer

What is the monomer of lipids?

a. H2O

b. amino acids

c. triglyceride

d. monosaccharide

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Organic Compounds

$200 Question

How many covalent bonds can carbon make with other atoms?

a. 2

b. 3

c. 4

d. 8BACK TO GAME

ANSWER

Organic Compounds

$200 Answer

How many covalent bonds can carbon make with other atoms?

a. 2

b. 3

c. 4

d. 8BACK TO GAME

Organic Compounds

$300 Question

When you link monomers together you get…

a. a monosaccharide

b. an amino acid

c. ions

d. polymersBACK TO GAME

ANSWER

Organic Compounds

$300 Answer

When you link monomers together you get…

a. a monosaccharide

b. an amino acid

c. ions

d. polymersBACK TO GAME

Organic Compounds

$400 Question

Which type of bond is formed between two amino acids?

a. Dipeptide bond

b. Polypeptide bond

c. Ionic

d. HydrogenBACK TO GAME

ANSWER

Organic Compounds

$400 Answer

Which type of bond is formed between two amino acids?

a. Dipeptide bond

b. Polypeptide bond

c. Ionic

d. HydrogenBACK TO GAME

Organic Compounds

$500 Question

A scientist performs an iodine test on an unknown substance and gets a purple-black result, this indicates…

a. The presence of protein

b. The presence of carbohydrates

c. The presence of starch

d. The presence of lipids

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ANSWER

Organic Compounds

$500 Answer

A scientist performs an iodine test on an unknown substance and gets a purple-black result, this indicates…

a. The presence of protein

b. The presence of carbohydrates

c. The presence of starch

d. The presence of lipids

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Chemical Reactions:

$100 Question

Building muscle tissue is an example of which type of reaction?

a. Synthesis

b. Exchange

c. Decomposition

d. CatabolicBACK TO GAME

ANSWER

Chemical Reactions:

$100 Answer

Building muscle tissue is an example of which type of reaction?

a. Synthesis

b. Exchange

c. Decomposition

d. CatabolicBACK TO GAME

Chemical Reactions:

$200 Question

All of the following affect the rate of a reaction except __________.

a. temperature

b. the concentration of reactants

c. particle size

d. the type of bonds presentBACK TO GAME

ANSWER

Chemical Reactions:

$200 Answer

All of the following affect the rate of a reaction except __________.

a. temperature

b. the concentration of reactants

c. particle size

d. the type of bonds presentBACK TO GAME

Chemical Reactions:

$300 Question

Which reaction releases energy?

a. Anabolic

b. Endergonic

c. Exergonic

d. Synthesis

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ANSWER

Chemical Reactions:

$300 Answer

Which reaction releases energy?

a. Anabolic

b. Endergonic

c. Exergonic

d. Synthesis

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Chemical Reactions:

$400 Question

Bonds are broken during which type of reaction?

a. Catabolic

b. Anabolic

c. Synthesis

d. EndergonicBACK TO GAME

ANSWER

Chemical Reactions:

$400 Answer

Bonds are broken during which type of reaction?

a. Catabolic

b. Anabolic

c. Synthesis

d. EndergonicBACK TO GAME

Chemical Reactions:

$500 Question

An enzyme is an example of a _________.

a. reactant

b. solute

c. catalyst

d. reaction

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ANSWER

Chemical Reactions:

$500 Answer

An enzyme is an example of a _________.

a. reactant

b. solute

c. catalyst

d. reaction

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Biochemistry:

$100 Question

Which of the following is not an inorganic compound?

a. A salt

b. Water

c. An acid

d. An enzymeBACK TO GAME

ANSWER

Biochemistry:

$100 Answer

Which of the following is not an inorganic compound?

a. A salt

b. Water

c. An acid

d. An enzymeBACK TO GAME

Biochemistry:

$200 Question

Which is not a function of lipids?

a. insulation

b. catalyzing reactions

c. cushion

d. Water proofing

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ANSWER

Biochemistry:

$200 Answer

Which is not a function of lipids?

a. insulation

b. catalyzing reactions

c. cushion

d. Water proofing

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Biochemistry:

$300 Question

A substance that dissociates into an excess of OH- ions is __________.

a. an acid

b. a base

c. a salt

d. waterBACK TO GAME

ANSWER

Biochemistry:

$300 Answer

A substance that dissociates into an excess of OH- ions is __________.

a. an acid

b. a base

c. a salt

d. waterBACK TO GAME

Biochemistry:

$400 Question

A steroid is an example of _________.

a. an inorganic compound

b. a lipid

c. a protein

d. a sugar

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ANSWER

Biochemistry:

$400 Answer

A steroid is an example of _________.

a. an inorganic compound

b. a lipid

c. a protein

d. a sugar

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Biochemistry:

$500 Question

Which pH indicates a weak base?

a. 2.0

b. 6.8

c. 8.1

d. 11.0

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ANSWER

Biochemistry:

$500 Answer

Which pH indicates a weak base?

a. 2.0

b. 6.8

c. 8.1

d. 11.0

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FINAL ROUND Question

Name the four “tests” we did in our unknown lab and what macromolecule each test was for…

(wager up to 2000 pts)

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ANSWER

FINAL ROUND Answer

Biuret’s; protein

Benedict’s: simple sugars

Iodine: starch

Brown paper test: Lipids

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