What is the change in enthalpy when 18 g of water vapor condenses at 100 C?
( Δ Hv = 41 kJ/mol)

A. 18
B. 41
C. -41
D.-410

Gymnast always perform on padded mats. how does the mats protect the gymnast

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Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.