Answer:
A. Students made a measurement error, because ending with more products is impossible.
Explanation:
The law of conversation of matter tells us that in a chemical reaction, matter is never created or destroyed, it's simply converted from one form to another. So the mass of reactants should always equal the mass of the products in a chemical reaction. If there is excess mass in the product, the students have made an error of some kind.
Answer:
C + D
Explanation:
C + D are the reactants because they are on the right side of the equation
(I hope this answer was quick enough!)
Answer:
C4H7OH + 6O2 => 4CO2 + 4H2O
Explanation:
hope This helps :)
8 valence electrons means that the element is stable. When we hear stable, we know the group to look at! Noble gases all have 8 valence electrons making them stable and have a full octet.
Here are some:-
Krypton
Argon
Neon
Answer:
10. F
11. A
12. B
13. C
14. G
15. A
16. F
17. B
18. D
19. E
20. B
Explanation:
im sorry
ik some are probably incorrect
