Answer:
density of a piece of metal = 7 gr/ml
Explanation:
See the file please
Answer:
14
Explanation:
Atomic mass = protons + neutrons
6 + 8 = 14
Answer:
107.8
Explanation:
64 gram of N2H4 produce 72 gram of H20
then by crossmultiplication
64*121.3/72=107.82
Answer:
Combination or synthesis
Explanation:
The reaction given below:
C + O₂ → CO₂
The reaction above is termed a synthesis or combination reaction because two substances are combining to give a product.
- A synthesis reaction involves the formation of a single product from two or more reactants.
- The driving force for such reaction is the large and negative heat of formation of the product.
Answer: B. No, fluorine is always assigned an oxidation number of -1.
Explanation: