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Author Archives: Anonymous

Which element is essential for ethical listening in a public…

Which element is essential for ethical listening in a public speaking context?

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A key distinction in listening is understanding the speaker’…

A key distinction in listening is understanding the speaker’s message vs. [BLANK-1] of your own biases.

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Audience analysis is unnecessary if you are speaking to a la…

Audience analysis is unnecessary if you are speaking to a large audience with diverse values.

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Determine the rate law and the value of k icluding proper un…

Determine the rate law and the value of k icluding proper units for the following reaction using the data provided. Must show your work on scratch paper to receive credit.        2 NO(g) + O2(g)  →  2 NO2(g)     [NO]i (M) [O2]i (M) Initial Rate (Ms-1)  0.0300 0.00550 8.55 × 10-3 0.0300 0.0110 1.71 × 10-2 0.0600 0.00550 3.42 × 10-2

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Based on molecular mass and dipole moment of the five compou…

Based on molecular mass and dipole moment of the five compounds in the table below, which should have the highest boiling point?            Substance Molecular Mass (amu) Dipole Moment (D) Propane, CH3CH2CH3 44 0.1 Dimethyl ether, CH3OCH3 46 1.3 Methylchloride, CH3Cl 50 1.9 Acetaldehyde, CH3CHO 44 2,7 Acetonitrile, CH3CN 41 3.9

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Express the equilibrium constant for the following reaction….

Express the equilibrium constant for the following reaction.             4 CH3Cl(g) + 2 Cl2(g)  ⇌   4 CH2Cl2(g) + 2 H2(g)

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Hydrazine (H2NNH2) is a weak base with a Kb = 1.3 × 10-6. Wh…

Hydrazine (H2NNH2) is a weak base with a Kb = 1.3 × 10-6. What is the pH of a solution prepared from adding 3.25 g of hydrazine in 750.0 mL of solution? Must show your work on scratch paper to receive credit.

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Determine the rate law and the value of k icluding proper un…

Determine the rate law and the value of k icluding proper units for the following reaction using the data provided. Must show your work on scratch paper to receive credit. 2 NO2 (g) + F2 (g)  2 NO2F (g)  Exp [NO2] (M) [F2] (M) Initial Rate (M/s) 1 0.100 0.100 0.0280 2 0.200 0.100 0.0560 3 0.200 0.200 0.112  

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Methanol can be produced by the following reaction: CO(g) +…

Methanol can be produced by the following reaction: CO(g) + 2 H2(g) → CH3OH(g). How is the rate of disappearance of hydrogen gas related to the rate of appearance of methanol? 

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Which characteristic of the construction industry creates th…

Which characteristic of the construction industry creates the GREATEST challenge for standardized cost control across all projects?

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