Determine what is wrong with the chemical formula and write the correct chemical formula for each of the following compounds: (a
1 answer:
Answer and Explanation:
(A) this is the wrong formula of ammonium carbonates there should be
in place of
and correct formula is
(b) is wrong formula of calcium hydroxide there should be
in place of
and the correct formula is
(C) is wrong formula of cadmium sulfide there should be only S in place of
and the correct formula is CdS
(D) is wrong formula of zinc dichromate the correct formula is
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Answer : The value of rate constant is,
Explanation :
First we have to calculate the rate constant, we use the formula :
Expression for rate law for first order kinetics is given by:
where,
k = rate constant = ?
t = time passed by the sample = 4.84 s
a = initial concentration = 4.17 M
a - x = concentration after time 4.84 s = 3.56 M
Now put all the given values in above equation, we get
Therefore, the value of rate constant is,
Answer: See image attached!
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