40.65 kJ/mol AHE
-285.83 kJ/mol
AHfusion
6.03 kJ/mol
specific heat 4.186 J/g°C
molar mass
18.02 g
How much energy is released when 6.0 g of water is condensed from water
vapor?
A. 6.0 g x 1 mol/18.02 g x (-285.83 kJ/mol)
O B. 6.0 g x 1 mol/18.02 g x 4.186 kJ/mol
C. 6.0 g x 1 mol/18.02 g x 40.65 kJ/mol
O D. 6.0 g x 1 mol/18.02 g x 6.03 kJ/mol
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If m∠abc = 70°, what is m∠abd? justify your reasoning.  using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°.  using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°.  using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality.  using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.