Dinitrogen tetraoxide is a colorless gas at room temperature. It can dissociate
ID: 513505 • Letter: D
Question
Dinitrogen tetraoxide is a colorless gas at room temperature. It can dissociate into nitrogen dioxide, which brown gas N204(g) 2 NO2(g) Three experiments were run starting with different initial amounts of N2040g) (IN204lo in the table). The systems were allowed to reach equilibrium and the concentrations for each gas were measured (in units of moles/Liter). For each of the boxes below, calculate the ratios indicated by the column heading. This will show the mathematical relationship that exists between the concentrations of NO2 and N204 at equilibrium. Be sure to round to the correct number of significant figures [NO2] 2 [NO2] [NO2] Exp IN204lo [NO2] [N2041 [N204] 204 204 12.92 e 2 2.8 2.49 1.6 3 2.6 .33 1.4 Based on your calculations, indicate whether each 1. Each experiment started with a different initial concentration of N20. 2. The ratio (INO2 IN204]) is equal to a constant value TB. The ratio (2 NO2]/IN204]) is equal to a constant value 4. The ratio (NO2l2 /IN204l is equal to a constant value s. Each experiment reached a different set of equilibrium concentrations.Explanation / Answer
For Image 1:
1) True (We start with different initial concentrations)
2) Ratios are (a) 1.33 (b) 1.56 (c) 1.66 Hence False
3) Ratios are (a) 2.66 (b) 3.12 (c) 3.32 Hence False
4) Ratios are (a) 3.87 (b) 3.87 (c) 3.87 Hence True
5) True as this can be onserved from the given concentration values.
For Image 2:
1) True (We start with different initial concentrations)
2) Ratios are (a) 1.33 (b) 1.51 (c) 1.79 Hence False
3) Ratios are (a) 2.66 (b) 3.02 (c) 3.58 Hence False
4) Ratios are (a) 3.87 (b) 3.87 (c) 3.87 Hence True
5) True as this can be onserved from the given concentration values.
For Image 3:
1) True (We start with different initial concentrations)
2) Ratios are (a) 1.29 (b) 1.47 (c) 1.79 Hence False
3) Ratios are (a) 2.58 (b) 2.94 (c) 3.58 Hence False
4) Ratios are (a) 3.87 (b) 3.87 (c) 3.87 Hence True
5) True as this can be onserved from the given concentration values.