Ehehe can someone help me answer plz Students collected weather data every two hours between 9 A.M. and 3 P.M., as shown in the
table.
*picture*
Based on this data, what type of weather should the students predict for later in the afternoon?
windy with precipitation
calm with clearing skies
hot and dry
freezing rain and snow
*picture*
Based on this data, what type of weather should the students predict for later in the afternoon?
windy with precipitation
calm with clearing skies
hot and dry
freezing rain and snow
2 answers:
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Answer:
Explanation:
Hello.
In this case, taking into account that HCl has one molecule of hydrogen per mole of compound which weights 36.45 g/mol, we compute the number of molecules of hydrogen in hydrochloric acid by considering the given mass and the Avogadro's number:
Now, from the 180 g of water, we see two hydrogen molecules per molecule of water, thus, by also using the Avogadro's number we compute the molecules of hydrogen in water:
Thus, the total number of molecules turns out:
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