In order of reactivity: magnesium, iron, copper, silver
Answer: a. 79.6 s
b. 44.3 s
c. 191 s
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
a - x = amount left after decay process
a) for completion of half life:
Half life is the amount of time taken by a radioactive material to decay to half of its original value.
b) for completion of 32% of reaction
c) for completion of 81 % of reaction
Answer:
The pH of the solution is 8.0.
Explanation:
taking the test rn
Answer:
The following properties are either physical or chemical. Which one is different from the rest based on those two categories? We chose all of the above