Answer:
Pure substances cannot be separated into any other kinds of matter, while a mixture is a combination of two or more pure substances.
Explanation:
C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O
is a combustion reaction
Explanation:
In a combustion reaction a chemical substance (usually organic substances) are reacted with oxygen to form the most stable oxides and heat.
CH₄ + 2 O₂ → CO₂ + 2 H₂O
In a double displacement reaction two compounds exchange elements.
AB + CD → AC + BD
In a decomposition reaction a compound is split into simpler substances.
AB → A + B
In a synthesis reaction two elements are combined to form another compound. A + B → AB
In a single displacement reaction a compound exchange one of its elements.
AB + C → AC + B
Learn more about:
types of chemical reactions
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Answer:
answer
Explanation:
sorry I do not know the answer, have a great day
No, molecules don’t ever stop moving
Answer:
300kg
Explanation: The question says about 30%, so I think it is 300kg
