Question

Can someone help me with science??

Answer 1

I'd love to

Answer 2

Which statement is a correct expression of the Law of Conservation of Mass?

A.
The total mass is unpredictable in a chemical reaction.

B.
The total mass remains the same during a chemical reaction.

C.
The total mass decreases during a chemical reaction.

D.
The total mass increases in a chemical reaction.

Answer 3

B Total mass remains the same during a chemical reaction because the elements basically just rearrange

Answer 4

ok thanks

Answer 5

welcome :-)

Answer 6

Which element(s) are not balanced in this equation?

Fe2O3 + 3 CO → Fe + 3 CO2

A.
Only the Fe is unbalanced.

B.
Only the O is unbalanced

C.
Fe and O are both unbalanced.

D.
C and O are both unbalanced

Answer 7

@Jhulian

Answer 8

Fe

Answer 9

A. Only Fe is unbalanced

Answer 10

Sorry I was off...and I am about to go off for a longer while...:-((

Answer 11

thats ok i got the answer already :)

Answer 12

That's good.

Answer 13

Any more questions?

Answer 14

no i took the test already and made a 80% so i passed.

Answer 15

Congratulations!!

Answer 16

ty

Answer 17

welc

Answer 18

ok tell me if you ever need help i will see what i can do :)

Answer 19

you too.

Answer 20

ok i willl :)