How many kJ of energy are required to force 175 g of ice at -25°C to turn
into steam at 113°C? Use 18.0 g/mol for the molar mass of water. *
ΔΗ0
fusion
= 6.01 kJ/mol
ΔΗ. = 40.7 kJ/mol
vapor
CH20(s) = 2.03 J/g°C
CH200 = 4,184 J/gºC
CH2O(g) = 2.01 J/gºC
Water freezes at 0°C and boils at 100°C.
Answers: 3
Chemistry, 22.06.2019 16:00, winnie45
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
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