Chemical Change
Chemical Reactions
Chemical Reactions
Random
100
Give one example of a physical property.
flexibility, color, hardness, shine, texture
100
What are reactants?
The substances at the beginning of a chemical reaction
100
Name one of the five types of chemical reactions
synthesis, decomposition, replacement, single displacement, double displacement
100
What animal is this?
What is an Elk
200
What are chemical properties?
Characteristics of substances that describe their ability to change into other substances.
200
What are products?
The new substances formed in a chemical reaction
200
What is a coefficient?
A number placed in front of a chemical formula.
200
Dad Joke: "What do you call a factory that makes okay products?"
What is satisFACTORY?
300
Anything that has mass and takes up space is called...
Matter
300
What does the principle of conservation of mass state?
During a chemical reaction, matter cannot be created or destroyed.
300
What is a decomposition reaction?
Compounds are broken down into simpler products
300
What holiday is celebrated on February 14th
What is Valentines day?
400
What is an endothermic reaction?
a reaction in which energy is absorbed
400
I perform a chemical reaction that starts a fire, which releases heat. Is this an endothermic or exothermic reaction?
Exothermic
400
Classify this chemical reaction: CaCO3 = CaO + CO2
Decomposition
400
What famous scientist is this:
Who is Neil DeGrasse Tyson
500
What is an exothermic reaction?
A reaction that releases energy, mostly in the form of heat.
500
Balance this equation: SO2 + O2 = SO3
2SO2 + O2 = 2SO3
500
What is a catalyst?
Increases the rate of a reaction by lowering the activation energy.
500
What animal in Colorado causes the most deaths?
What is a horse?