Which of the following statements is true? Question 4 options: Nuclear decay rates vary with the conditions of the reaction, but
2 answers:
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Answer:
A = 65.46 u
Explanation:
Given that,
The composition of zinc is as follows :
Zn-64 = 48.63%
Zn-66 = 27.90%
Zn-67 = 4.10%
Zn-68 = 18.75%
Zn-70 = .62%
We need to find the average atomic mass of the given element. It can be solved as follows :
So, the average atomic mass of zinc is 65.46 u.
Answer:
Explanation:
In its raw form, function notation essentially represents an equation with only one unknown variable, expressed in terms of another. Thus, f(x) = x² + 7x can be expressed as
g(x) = 2x + 3
f(g(x)) = (2x + 3)²
f(g(x)) = 4x² + 12x + 9
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Answer:
The rate at which is being produced is 0.0228 M/s.
The rate at which is being consumed is 0.0912 M/s.
Explanation:
Rate of the reaction : R
The rate at which hydrogen is being formed =
The rate at which is being produced:
The rate at which is being consumed :