In a single displacement / replacement reaction a single uncombined element replaces another element in a compound.
Single replacement is type of chemical reaction where an element react with a compound and take the place of another element in that compound.
example of this type of reaction is
Zn+ 2HCl -----> Zncl2 + H2
10, 3 is acidic and 12 isnt
The correct answer is 2. Magnetic fields must start at the north pole of a magnet and end at the south pole of a magnet. I took the test. Hope I helped!
Answer:
The type of reaction that is occuring is 164.8 kJ.
I believe the correct answer from the choices listed above is option A. It is a catalyst that <span> increases the rate of a chemical reaction. It provides another pathway for the reaction in order for it to hasten the speed of the reaction. Hope this answers the question. </span>
