Using Hess's Law, What Is ΔH°_rxn for the Following Reaction

question 112

Multiple Choice

Using Hess's law, what is ΔH°_rxn for the following reaction? WO₃(s) + 3H₂(g) → W(s) + 3H₂O(g)

• A) 117.5 kJ/mol
• B) 235.0 kJ/mol
• C) 359.3 kJ/mol
• D) 1202.2 kJ/mol
• E) 2169.4 kJ/mol

Identify and calculate measures of dispersion, such as range, variance, and standard deviation.

Use Microsoft Excel 2010 for statistical calculations including mean, standard deviation, and mode.

Understand the distribution and representation of data in frequency distributions, histograms, and scatter plots.

Apply Chebyshev's theorem to understand the spread of data.

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