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pantera1 [17]
3 years ago
11

Which of the following defines the wavelength of a wave? A. the distance between peaks of a wave B. the speed that a wave is pas

sed from particle to particle C. the loudness of waves that travel through the air D. the height of a wave between peak and trough
Chemistry
2 answers:
sattari [20]3 years ago
6 0

Answer:

My answer to the question is wavelength is the distance between two successful cress or successful troughs of a wave. which will be option A.

Maru [420]3 years ago
5 0

Answer:

D.the wavelength of a wave is the distance between two successive peaks or two successive troughs or a peak and trough

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Given the following, determine ΔG°f at 298 K for SnO. Sn(s) + SnO2(s) → 2SnO(s) ; ΔG° = 12.0 kJ at 298K
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Answer:

The value of change in Gibbs free energy for tin(II) oxide solid is -251.9 kJ/mol.

Explanation:

Sn(s) + SnO_2(s)\rightarrow 2SnO(s), \Delta G_{f}^{o} = 12.0 kJ

\Delta G_{f,SnO_2}^{o}= -515.8kJ/mol

\Delta G_{f,Sn}^{o}= 0 kJ/mol

\Delta G_{f,SnO}^{o}=?

\Delta G_{f}^{o}=\sum ((\Delta G_{f}^{o})_ {products})-\sum ((\Delta G_{f}^{o})_ {reactants})

12.0 kJ=(2 mol\times \Delta G_{f,SnO}^{o})-(1mol\times 0 kJ/mol+1 mol\times -515.8 kJ/mol)

\Delta G_{f,SnO}^{o}=-251.9 kJ/mol

The value of change in Gibbs free energy for tin(II) oxide solid is -251.9 kJ/mol.

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