Explanation:
Compound: a substance that is made up of more than 1 type of atom bonded together Example: H2O
Mixture: combination of two or more elements or compounds not chemicaly bonded together. example: Sugar and salt in one container
elements pure substance of an atom. Example: hydrogen
Answer: technically it is chemical and physical change
Explanation: chemical bc it’s burning and physical bc it’s going from a log to ashes
It will stick to the body because a synthetic fibre has the property to cohere with the substance.
In this case substance is our skin. After having a burn, the Rayon will stick to the skin.
And if it has a lesser quality then it will make your skin melt.
Hope helps ...
Substituting the values:
51 + 3(131) = ΔH + 2(28) + 3(189)
ΔH = -225 J/mol
When written outside of the equation, this becomes 225 J/mol
Maybe it could be 2. 30 C