Answer:
D
Explanation:
∆H° = ∆Hf ° (products) – ∆Hf ° (reactants)
The on that is considered a physical change is : A. Sawing a piece of wood in half
When you cut a piece of wood, the chemical compound within the wood will not change at all, which mean that it's a physical change
hope this helps
Answer:
1+1=2 Unless this is a trick question. Then it's most likely 11.
Explanation:
Answer:
Explanation:
A) bubbles show hydrogen gas escaping
B) the water reacted with sodium to form an alkaline solution
