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Alex17521 [72]
3 years ago
12

The decomposition of nitrogen dioxide is described by the following chemical equation: Suppose a two-step mechanism is proposed

for this reaction, beginning with this elementary reaction: Suppose also that the second step of the mechanism should be bimolecular. Suggest a reasonable second step. That is, write the balanced chemical equation of a bimolecular elementary reaction that would complete the proposed
Chemistry
1 answer:
Mandarinka [93]3 years ago
8 0

Answer:

<u>first step </u>

NO2(g)  ------------------------------------> NO(g) + O(g)

<u>second step</u>

NO2(g) + O(g) -----------------------------> NO(g) + O2(g)

Explanation:

<u>first step </u>

NO2(g)  ------------------------------------> NO(g) + O(g)

<u>second step</u>

NO2(g) + O(g) -----------------------------> NO(g) + O2(g)

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Part a the disproportionation of mn2+(aq) to mn(s) and mno2(s) in acid solution at 25 ∘c. calculate δg∘rxn.
ollegr [7]

Answer:

ΔG^{o} = -461198.3 J

Explanation:

Gibbs free energy is defined as the energy associated with a given chemical reaction which can be used to do work. Firstly, we need to figure out the chemical equation for the given problem. For the given problem, the chemical equation is:

Mn^{2+} _{(aq)} + 2e^{-}⇒Mn_{(s)}      E^{o} = -1.18 V

Mn^{2+} _{(aq)} + H_{2}O ⇒MnO_{2(s)} +4H^{+} + 2e^{-}E^{o} = -1.21 V

The addition of the two E^{o} gives the E_{cell} of the equation, i.e. -1.18-1.21 = -2.39 V.

Then, using the equation for ΔG^{o}, we have:

ΔG^{o} = n*F*E^{o} = 2*96485*-2.39 = -461198.3 J

4 0
4 years ago
Calculate mass in grams in 2.28 mol of h2so4
Nezavi [6.7K]
223.44 grams is the answer. Multiply 2.28 times the gram formula mass of h2so4
7 0
3 years ago
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hat range, give the lower value and the higher value, respectively, for the following. (a) How many cubic meters of water are in
torisob [31]

Answer:

a) 9424797000 m3

b) 9424797000000 liters

c) 9424797000000 kg

Explanation

Cylinder has a radius of 1 km= 1000 m.

Area Cylinder = π r^2  =  3,141599* (1000m)^2  = 3141599 m2

a) Volume Cylinder= area x Height=3141599 m2* 3000 m=  9424797000 m3

b) 1000 liters= 1m3,   9424797000 * 1000 = 9424797000000 liters

c) densiy = 1000 kg/m3, or 1 kg/ liter,   mass=  9424797000 lt * 1kg/lt =

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4 years ago
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Answer:

12457.36

Explanation:

7 0
4 years ago
What is mass of sodium hydroxide NaOH is present in 0.25 mole of sodium hydroxide <br>pls be quick​
RSB [31]

Finding molar mass of NaOH

We know that

Molar mass of Sodium (Na) = 23 g/mol

Molar mass of Oxygen (O) = 32 g/mol

Molar mass of Hydrogen (H) = 2 g/mol

So,

Mass of 1 mole of NaOH

=> 1 × 23 + 1 × 16 + 1 × 1

=> 23 + 16 + 1

=> 40 g/mol

Now,

Mass = 40 × 0.25

Mass = 10 g

5 0
2 years ago
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