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Nady [450]
2 years ago
11

An atom has 24 protons, 22 electrons, and 28 neutrons. What is the MASS # of the atom

Chemistry
1 answer:
sleet_krkn [62]2 years ago
4 0

The mass of an atom is given by the sum of the number of PROTONS and the number of NEUTRONS since ELETRON'S mass is negligible.

The mass is 24+28 = 52.

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and T1 is the first temperature of water in Kelvin = 80 °C +273 = 353 K

and T2 is the second temperature of water in Kelvin =  30°C + 273= 303 K

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so, by substitution:

Tf = (5 L * 353 K ) + ( 60 L * 303 K) / ( 5 L + 60 L)

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