Question

I need help answering these after i do the lab that i will attach below.

1. Write a balanced equation for each reaction observed in this lab.

2. If you were to measure the mass of magnesium and hydrochloric acid before combining them in the test tube, how would that mass compare to the mass of reactants left in the test tube after the reaction? Explain your answer and how it corresponds to the law of conservation of mass.

3. One of the reactions you conducted can be categorized as TWO different types of reactions. Which reaction is this, and what are the two types of reactions?

Answer 1

I am extremely sorry @touseii45. I am nt good in chemistry

Answer 2

Its fine @ajprincess (:

Answer 3

@marine_poolee_17

Answer 4

I hate "doc and docx files" :(

Answer 5

im sorry but i couldnt get it up any other way unless i make it a link. would you like that instead?

Answer 6

http://learn.flvs.net/webdav/educator_chemistry_v10/module04/04_05c_a.htm

Answer 7

so, what is formed in the first one?

Answer 8

remind me if Iron (III) reduces to Iron(II)

Answer 9

I dont know. this lab has really confused me

Answer 10

hmm. what was your observation? what did you find out after the lab?

Answer 11

oh.. wauit...
you are adding iron to it...
\[CuSO_4+Fe\longrightarrow Cu+FeSO_4\]

Answer 12

the lab is just a video of each solution but idk what i should look for

Answer 13

you should get brown copper deposit at the bottom of the test-tube

Answer 14

this is because, Fe is more electropositive and easily displaces Cu.
Hence this is a displacement reaction

Answer 15

kapeesh?

Answer 16

kapeesh lol what about the others?

Answer 17

so. what do you think would happen in the second one?
is similar to this.. but a double-displacement..