Author: Anonymous

If a 1.0 L flask is filled with 0.22 mol of N2 and 0.22 mol of O2 at 2000°C, what is [NO] after the reaction establishes equilibrium? Kc = 0.10 at 2000°C N2(g) + O2(g) ⇌ 2NO(g)

For the galvanic cell: Zn(s) + 2Tl+(aq) → 2Tl(s) + Zn2+(aq)   Eocell = 0.42 V If the standard reduction potential for: Zn2+(aq) + 2e– → Zn(s)   Eored = –0.76 V What is the standard reduction potential for: Tl+(aq) + e– → Tl(s)   Eored = ? V

Which element is represented by ?

When the reaction: A + 2B → C was studied, the experimental data was obtained and plotted. Based on these graphs, what is the experimental rate law?  

How much heat is evolved or absorbed when 25.0 g of silver oxidizes to form silver oxide (Ag2O) under standard conditions? The enthalpy of formation (ΔHfo) of Ag2O is –31.05 kJ/mol and the molar mass of silver is 107.87 g/mol.

Which combination will result in a precipitate forming?

What are two definitions of a base in an aqueous solution?

Which atom(s) in the acetic acid (CH3COOH, shown below) is/are sp3 hybridized as identified with the bolded/larger atom(s)?  

The correct name of the compound NCl3 is _____.

For the reaction: H2(g) + C2H4(g) → C2H6(g) a series of experiments were conducted as shown in the table. If the rate law was found to be rate = k[H2][C2H4], what is the missing initial rate (marked with the “?” in the table)? Initial rate / M·s–1 [H2]0 / M [C2H4]0 / M 0.0148 0.125 0.125 0.0301 0.250 0.125     ? 0.250 0.250