Atoms/Molecules & Rearrange
All matter is made of these tiny particles.
Atoms
The starting substances in a chemical reaction are called these.
What are reactants?
In the Amplify unit, the "Mystery Substance" found in the water pipes turned out to be this reddish-brown flaky material.
Rust
This tyoe of change does NOT create something new
Physical Change
The process of a gas turning back into a liquid, like steam on a cold mirror
Condensation
Atoms joined together are called this.
What are molecules?
The new substances formed are called these.
The Product
In the unit these 2 reactants produced the mystery reddish brown substance
iron pipes and fertlizer
Melting Ice is what type of change?
Physical change
This is the phase of matter where molecules are locked in place and only vibrate.
Solid
During a chemical reaction, atoms can rearrange but they never do this
Are created or destroyed
In a chemical equation, reactants are found on this side.
The left side
In the Unit, why did Dr. Yung believe there was another substance in the water other than the reddish brown substance?
Because there was other Atoms left over after The rust was found
Burning wood is what type of change?
Chemical Change
2 substances may look alike (like sugar and salt) but they are different because they have different what?
Note* (taste is not the right answer)
propeties
This law states matter cannot be created or destroyed.
The Law of Conservation of Matter
The does the arrows in a chemical equation means this.
Ex. H2 + O -> H2O
What is being produced
In the video that was shown, What were the properties of the new substance produced after mixing sodium carbonate and baking soda?
yellow, bubble and it had a strong smell
Chemical change makes a new substance physical change does not
When a substance begins to bubble this evidence that a chemical reaction has change to this state of matter?
Gas
In a reaction, how does the atoms in reactants compare to the atoms in products?
they are the same number and type, they just rearranged?
If 10 grams of a reactant, reacts completely then what should be in the product?
Product should also have 10 grams
In the book Atomic zoom it explained how Diamond and Cubic Zirconia looks identical and have similar properties? What is the ony way you can tell them apart outside of using a diamond tester?
hey are made of different kinds of atoms. Diamonds are made of carbon and cubic zirconia is made of zirconia and oxygen.
Why is Dissolving sugar in water not a chemical reaction?
No new substance was formed it was only mixed
To change a liquid into a gas, you must reach this specific temperature point
Melting point