21.28s
Explanation:
This is a rate problem.
Number of parts produced = 225
Time taken to produce= 8hours
Rate of production is the amount of parts produced in a duration of time.
Now convert 8 hours to minute;
60 minutes = 1hr
8 hours = 60 x 8 = 480minutes
Now:
Rate of production = = 0.47parts/minute
Now, to produce 10 parts;
It takes;
0.47 parts to be produced in 1 minute
10 parts would be produced in = 21.28s
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The balanced equation :
LiI(aq) + AgNO₃(aq) --> AgI(s) + LiNO₃(aq)
<h3>Further explanation</h3>
Given
Word equation
Required
Balanced equation
Solution
There are 3 ways to express a chemical equation:
- word equation
- skeleton equation
- balanced equation
Skeleton equation for reaction above :
LiI(aq) + AgNO₃(aq) ⇒ AgI(s) + LiNO₃(aq)
If we look at this reaction, all the cations and anions have a charge of 1 (+1 or -1) so the balanced reaction between the skeleton equation and the balanced equation is the same
The atomic mass of platinum rounded to the nearest whole number is 195.
The atomic mass of an element refers to the weighted average of the masses of all the isotopes of the element. The mass number is the sum of the number of protons and neutrons in the nucleus.
Looking at the question, it is clear that the atomic mass of platinum rounded to the nearest whole number is 195.
Learn more about atomic mass: brainly.com/question/5566317
Chemical properties of an atom are based upon the arrangement of valence electrons (electrons which can be gained, lost, or shared).
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