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Observing Chem Change
Endothermic vs. Exothermic
Chem Equations
Random Trivia
100
These are found on the left side of the arrow
What is reactants.
100
Heat is released during this type of chemical reaction.
What is an exothermic reaction.
100
In a balanced chemical equation there are the same number of atoms of each element on the reactants and products sides according to
What is the law of conservation of mass.
100
Who launched the first space shuttle and what was its name?
What is the Russians and Sputnik.
200
The final substances of a chemical reaction
What is products.
200
The products have more energy than the reactants.
What is an endothermic reaction.
200
This is placed in front of a chemical formula to balance a chemical equation
What is a coefficient.
200
What is the common name for nitrous oxide?
What is laughing gas.
300
This is produced when combined milk and red bull are combined.
What is a precipitate.
300
The melting of an ice cube is an example of
What is an endothermic process.
300
A subscript tells you this in a chemical formula
What is how many atoms of that element are in the substance.
300
What large animal can swim but can't jump?
What is an elephant.
400
The browning of an apple is an example of which form of chemical change.
What is color change.
400
Activating a cold pack is an example of
What is an endothermic reaction.
400
Is the following a balanced equation: Fe2O3 + 3C --> 3CO + 2Fe
What is yes.
400
What body part does a rhinologist specialize in?
What is the nose.
500
We know that Alka seltzers or Vitamin C tablets dissolving in water is a chemical reaction because
What is a gas was produced.
500
A substance freezing is an example of this
What is an exothermic process.
500
Balance the following equation: Ag2S + Al --> Ag + Al2S3
What is 3Ag2S + 2Al --> 6Ag + Al2S3
500
Which planet is named for the Roman god of commerce, travel, and thievery?
What is Mercury, messenger of the gods.