Properties of Matter
Mass is a(n) ______ property.
What is physical
The total mass before a chemical reaction is the same as the total mass after the reaction describes which law?
Law of conservation of mass
Endothermic reactions absorb _______ energy than they release.
more
What our design needs to do to be successful/ the requirement is called what?
Criteria
If particles are heating up, they are going from what to what energy levels?
Low energy to high energies
or
slow moving to fast moving
A substance's ________ properties predict how it will react with other substances.
What is chemical
The mass of a water molecule is equal to the mass of which type of atoms?
Two hydrogen atoms (H2) and one oxygen atom (O)
A change in temperature is a sign of energy being used in a ________.
chemical reaction
What our design cannot or should not have/the limits is called what?
Constraints
Sugar-free Lemonade, Lemonade, and Sour Patch Kids all chare what ingredient?
Citric Acid
Mass per unit volume of a substance will gives you this.
What is density
The number of molecules in reactants _______ always equal the number of molecules in products
Does Not
A chemical reaction in which more energy is released than is absorbed is endothermic.
False
True or False:
Properties can change for a substance
FALSE
How does a flameless heater heat up food just by adding room temperature water?
A Chemical Reaction
What is Matter
This 'two' specifically balances the following equation: 2H₂ + O₂ → 2H₂O
the 'coefficient' 2 in front of 2H2 in the product
A chemical bond _____ energy when it breaks.
Absorbs
In the bath bomb experiment: the lemonade is a _________ which means it has_______________.
Mixture, More than one substance
In the bath bomb experiment, What was the gas that was released?
Carbon Dioxide (CO2)
______ is the amount of matter in an object.
What is mass
In the flameless heater trials what was the successful compination?
What is Copper Sulfate, Aluminum and Salt water
Exothermic reactions _____ more energy than they _____.
release...absorb
_____________ is the ability of a substance to ignite and burn easily
Flammability
In the flameless heater experiment, what is SO4 doing?
It is breaking from the Copper (Cu) and reforming with Aluminum (al).