Describe how the energy consumption of appliances is dependent on the power rating of an appliance and the length of time that t
1 answer:
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Explanation:
When a specie tends to lose electrons in a chemical reaction then it means oxidation has taken place. When a specie tends to gain electrons then it means reduction has taken place.
So, for the given reactions the value of are as follows.
,
,
(a) Therefore, according to the given reactions the process is reduction.
(b) Here, n = 2
So, value of is as follows.
= +146680 V
= -65620 V
(c) As per the calculated values, is the best reducing agent and
is the best oxidizing agent.
Also, more positive is the value more good it acts as an oxidizing agent. Hence, it is able to favor reduction.
Therefore, will more strongly favor reduction.
Answer: 29.0 years
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 decomposition of 80 % of reactant
The age of a suspected vintage wine that is 20 % as radioactive as a freshlybottled specimen is 29.0 years