lesliemendez413 lesliemendez413

20-10-2022
Chemistry

Answered

Based on the reactions:
1. 2NO2 (g)→N204 (g). AH1 = -57.2 kJ
2. 2NO(g) + O2(g) → 2NO2 (g) AH2 = -114.1 kJ
Use Hess's law to calculate AH for:
2NO(g) + O2 (g)→→N2O4 (g)

Answer :

Other Questions

The plot below was obtained for the reaction N2O5(g) → NO2(g) + NO3(g). The activation energy, Ea, for this reaction is ________ Slope =-1.64 x 104 K choices:

For each mole of butane burned, the quantity of energy released is ______ × 10³ kJ.

Calculate the internal energy change, ΔrU, for the combustion of 29.3 g of vitamin C (C6H8O6, molar mass = 176.124 g mol-1) if the combustion inside a bomb calo

When 200.0 mL of 0.862 M HCl is mixed with 200.0 mL of 0.431 M Ba(OH)2 in a coffee cup calorimeter, the temperature of the solution increases from 21.25°C to 27

MANY KINDS OF MATTER Comprehension Write 3 facts about each kind of matter below. Then draw an example. NameSolids 1. 2. 3. Liquids 1. 2. 3. Gases1. 2.3. Drawin

Given the information in (see pic below for information) find the heat of formation of water if the heat of formation of NaOH (aq) is (-)488.99 Kj/mol and the h

A 9.96 g-sample of lithium chloride was dissolved in 100.0 mL of water at 22.2°C. When the salt was dissolved, the temperature of the solution was 41.3°C. Given

Calculate the concentration of the following in moldm3 (A) 14g of pottasium hydroxide (koh) In I dm³ (B) 3.65g of hydrogen chloride in 250 cm³ (C)5.3g of sodi

In the following reaction 4 N H₂SO4 is taken, then, normality of K₂SO4 is given byH₂SO4 +KOH → K₂SO4 + 2H₂O(a) 4 N(b)N(c)2 N(d) N/2

What is the mass of 9.44 × 10 24 molecules of NO 2? The molar mass of NO 2 is 46.01 g/mol O 341 g O294 g O 685 g O 205 g O 721 g