Answer:
(NH4)2Cr2O7
Explanation:
Hope this somehow helped.
Answer:
A synthesis reaction is <em>a reaction that occurs when two or more reactants combine into one product.</em>
Explanation:
A reaction that occurs when two or more reactants combine into one product is called a synthesis reaction.
A reaction that occurs when one element within a compound is exchanged with another element is called a single replacement reaction.
A reaction that occurs when a substance combines with molecular oxygen, releasing light and energy is called combustion.
A reaction that occurs when a single substance breaks apart and forms two or more new substances is called decomposition.
Answer:
4
Explanation:
4.They are different states of the same pure substance
Answer:
B
Explanation:
its upside down but I'm 99% sure
