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Science Test 4

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Taste Sour, Dissolve Metals, and Conduct Electricity
3 Properties of Acids
Leather
Original Material for Football Helmets
Wax and Cotton
Common Carbon Compounds: These are solids
Cellulose
Polymer that forms when sugar molecules are formed into longer strands
Straight Chains, Chains with Branches, and Rings
The 3 molecular structures of Carbon
Unsaturated
Hydrocarbons with double or triple bonds
Heartburn
Occurs when stomach acids backup into the esophagus causing painful discomfort in the chest
Fuels
Hydrocarbons are excellent _____.
No
Do acids react with all metals?
Repeating Pattern
Polymers can be made up of monomers in a _________ _______
Silk, Cotton, and Wool
3 Naturally occurring examples of polymers
Halogen containing compounds, alcohols, and organic acids
3 Common examples of substituted hydrocarbons
Saturated
Hydrocarbons with only single bonds
Carbon and Hydrogen
What makes Hydrocarbons distinct is the number of ______ and ________ atoms in their structures.
Mechanical Digestion
Type of digestion: The process through which your food is physical broken down into smaller, more manageable pieces. The result is a physical change.
Useable
Food isn't _______ in your body, until they are broken down
Isomers
New Hydrocarbons that have the same molecular formula, but different structural formulas
0
pH of hydrochloric acid
90
Over __% of all known compounds have carbon in them
Small Intestine
In this phase of digestion, enzymes complete the work of chemical digestion
Graphite
Solid made up of carbon layers or sheets
Malic Acid
Common example of an Organic Acid
Medicine
Esters are used in ________
Plants
Most common example of polymers
Disappear
When acids react with metals and disappear, and produce hydrogen gas, the metals appear to _________.
Smoother, Cools Down, and No Friction
After rubbing 2 pieces of paper together, when you put lead on the paper, what are 3 new properties?
Monomer
Each molecule in a Polymer
Hydronium Ions
pH measures how many ________ ____ are in a solution
Stomach
In this phase of digestion, the chemical digestion of proteins begins
Indicator
Compound that changes color for acids and bases
High
Low pH indicates that the concentration of hydronium ions is ____.
Freon
Common example of a Halogen Containing Compound
Substituted Hydrocarbons
Hydrocarbons with at least one replaced hydrogen
Propane, Ethane, and Methane
3 Common examples of Hydrocarbons
Properties
The Carbon molecular structures have different __________ depending on their shapes and attractions
Propane
Common Carbon Compound: This is a gas
Metal, Nonmetal
Salts form the _____ of a base and the ________ of an acid
Bases
Properties of _____: Taste Bitter, Are Slippery, and Conduct Electricity
Antacids
Help with heartburn: They neurtalize the acids that have left the stomach, and lower excessively high acid levels that result from certain foods
Neutralization
When you mix an acid and a base, a ______________ reaction occurs.
Polyester and Nylon
2 Synthetic examples of polymers
Acids
We use _____ for Food, Vitamins, Digestion, Batteries, and Fertilizer
Proteins
The ________ in our bodies are polymers
Hydrogen Gas
Acids react with certain metals and produce ________ ___.
3500
How many Degrees Celsius is a Diamond's melting point?
Covalent
Because Carbon atoms have 4 valence electrons, these form 4 ________ bonds.
Litmus
Another word for a pH indicator
Organic Compounds
Since there are so many carbon compounds, we gave them their own name: _______ _________
Acids
Substances that release Hydrogen in water
Valence Electrons
These make Carbon Elements useful
Cancel
When you mix an acid and a base, they ______ each other out.
Spiderwebs
Polymers made by animals
Backbones
Carbon's molecular structures are the _________ for molecules
Ionic
Salts are _____ compounds
Pressure and Temperature
Diamonds need extremely high ________ and ___________ to form
3
pH of cola
Organic
Means "Of Living Things"
Enzymes
Chemical Digestion is made possible with the help of _______, catalysts in the body that help speed up the "Reactions of Life"
Shiny and Hard
Once formed, Diamonds are _____ and very ____
Diamond
Hardest mineral, formed deep within the earth
pH Scale
Acids and Bases are opposite each other on the __ _____.
Taste Bitter, Are Slippery, and Conduct Electricity
3 Properties of Bases
Taste
NEVER _____ CHEMICALS
Indicator
We use this to identify an acid or base
Broken Down
Foods must be ______ ____ into simpler substances that are useable for materials and energy
Methane
Common example of a saturated hydrocarbon
Slippery
Graphite is very ________, and consequently, is an excellent industrial lubricant
Salt and Water
A Neutralization reaction forms ____ and _____.
Stations
The process of digestion works its way through several ________ in your body.
Cat Guts
Original Material for Tennis Rackets
Hydrogen Ions
Acid strength is determined by the amount of ________ ____ that break apart in water
Multiply
When multiple compounds are combined they often ________ the uses of a single compound
Phenolphthalein
Scientists most often use this indicator
Hydrocarbons
The carbon chains in ____________ can be straight, branched, or ring shaped
14
pH of oven cleaner
Acids
Properties of _____: Taste sour, Dissolve Metals, and Conduct electricity
Geodesic Sphere
Model of Fullerene
Bases
Compounds that release hydroxide ions
Diamonds
These work extremely well in industrial cutting tools
Esters
Compound that results when you combine an organic acid and an alcohol
Glass
Original Material for Water Bottles
Rice
College Fullerene was made at
Diamond, Graphite, and Fullerene
3 Common Examples of Carbon in its pure form
Low Melting and Boiling Points
Many Organic Compounds have similar properties like ___ _______ and _______ ______
Molecular Structures
Some hydrocarbons develop slight differences because of differences in their _________ _________.
Chemical Digestion
Type of digestion: The molecules in food are chemically broken down into new forms that are useable for energy and for the maintenance/growth of muscle, bones, skin, and organs
1985
Year Fullerene was made
Ethanol
Common example of an Alcohol
Food
This is mostly made up of Water, Carbohydrates, Protein, and Fats
Acidic or Basic
Litmus strips indicate whether something is ______ or _____.
Low
High pH indicates that the concentration of hydronium ions is ___.
Olive Oil
Common Carbon Compound: This is a liquid
10
pH of detergent
Leather
Original Material for Tents
Hydroxide Ions
Base strength is determined by the amount of _________ ____ that break off in water
Pencil Lead
Most common example of Graphite
Ethane
Common example of an unsaturated hydrocarbon
Pepsin
Breaks down proteins into amino acids
Hydrocarbons
Elements that only contain Carbon and Hydrogen
Bonding Sites
The high number of _______ _____, and the fact that Carbon can bond with both itself and other atoms, makes it possible for Carbon to form a variety of molecular structures
Bitter
Examples of a ______ taste: Chocolates, Figs, Potatoes
Mouth
In this phase of digestion, saliva helps to mix and mash the food
Fullerene
This is used as medicine
Fullerene
Form of Carbon engineered by chemists at Rice Univsity
Flammable
All Hydrocarbons are _________.
0 to 14
The pH scale ranges in value from _ to __.

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