The answer is homogeneous mixture
Answer:
Japanese is educated place so they invent those things which are really good and helpful...
in my opinion it is safe....
B) 0.50 moles of carbon dioxide.
Answer: The tree died 9709.46 years before.
Explanation:
Expression for rate law for first order kinetics is given by:
where,
k = rate constant
t = age of sample
a = let initial amount of the reactant = 100
a - x = amount left after decay process =
a) to find rate constant
Half life is the amount of time taken by a radioactive material to decay to half of its original value.
b) to know the age
The tree died 9709.46 years before.
And Example for Physical Property it’s : Gold Is Shiny
And Chemical and like a dry piece of paper burning