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What is a precipitate?
open system
endothermic
a solid that forms from 2 liquids reacting
oxygen, fuel, and heat
physical
replacement
all the matter is captured, mass before is the same as the mass after
matter can escape during the reaction, mass may change
What 3 things are required for fire to burn?
open system
endothermic
a solid that forms from 2 liquids reacting
oxygen, fuel, and heat
physical
replacement
all the matter is captured, mass before is the same as the mass after
matter can escape during the reaction, mass may change
Which of the following is true of a CLOSED SYSTEM
open system
endothermic
a solid that forms from 2 liquids reacting
oxygen, fuel, and heat
physical
replacement
all the matter is captured, mass before is the same as the mass after
matter can escape during the reaction, mass may change
Type of chemical reaction that has 2 or more reactants and 2 or more products
open system
endothermic
a solid that forms from 2 liquids reacting
oxygen, fuel, and heat
physical
replacement
all the matter is captured, mass before is the same as the mass after
matter can escape during the reaction, mass may change
Which fo the following is true of an OPEN SYSTEM
open system
endothermic
a solid that forms from 2 liquids reacting
oxygen, fuel, and heat
physical
replacement
all the matter is captured, mass before is the same as the mass after
matter can escape during the reaction, mass may change
If you have the same substances after a change, what type of change occurred?
open system
endothermic
a solid that forms from 2 liquids reacting
oxygen, fuel, and heat
physical
replacement
all the matter is captured, mass before is the same as the mass after
matter can escape during the reaction, mass may change
If the chemicals in a reaction start to feel cold, what type of reaction occurred?
open system
endothermic
a solid that forms from 2 liquids reacting
oxygen, fuel, and heat
physical
replacement
all the matter is captured, mass before is the same as the mass after
matter can escape during the reaction, mass may change
If 300g of chemicals react and you measure only 200g of products, what type of system was probably used?
open system
endothermic
a solid that forms from 2 liquids reacting
oxygen, fuel, and heat
physical
replacement
all the matter is captured, mass before is the same as the mass after
matter can escape during the reaction, mass may change
Check it!