Answer:
chemical because it turned into a new compound
Explanation:
is zinc and hydrogen chloride combining into zinc chloride and hydrogen gas a chemical or physical change?
physical change is like boiling, melting, freezing, and shredding
but its still the same compound
chemical is like it turns into something else like a new compound
Zn + 2HCl = ZnCl2 + H2(g)
Metal + Acid → Hydrogen + Acid Anion
new compound forms in this reaction
quora
Les McLean
toppr
4.003 is the mass of helium gas
Answer:
Faster hydrogen burning means the star will grow larger and more luminous to allow the extra energy created to escape
H2-element
HCl-compound
Na-element
Al2O3-compound
H2O-compound
Answer:
The answer is True
Explanation:
This is because they are equivalent and have same number of bit.