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ziro4ka [17]
3 years ago
15

I need help please by answering that question

Chemistry
1 answer:
jenyasd209 [6]3 years ago
5 0
If i can recall it is D
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Ammonium carbamate (NH2COONH4) is a salt of carbamic acid that is found in the blood and urine of mammals. At 240°C, Kc = 0.006
SashulF [63]

Missing information:

Equilibrium reaction: NH2COONH4(s)⇌2NH3(g)+CO2(g)

Answer:

14.43 atm

Explanation:

The equilibrium occurs when in a reversible reaction, the velocity of the formation of the products is equal to the velocity of the formation of the reactants. When this occurs, the concentration and partial pressures remain constant. To characterize the equilibrium there's the equilibrium constant, which can be based on the concentration (Kc) or based on the gases partial pressure (Kp).

The conversion between them is:

Kp = Kc*(RT)⁻ⁿ

Where n is the variation of the coefficients of the gas substances (reactants - products) so, n = 0 - (2+1) = -3

Kp = Kc*(RT)³

R is the gas constant (0.082 atm.L/mol.K), and T is the temperature ( 240°C = 513 K), so:

Kp = 0.006*(0.082*513)³

Kp = 446.6

The value of Kp is also the ratio between the multiplication of the partial pressures of the products divided by the partial pressure of the reactants, each one elevated by the coefficient of the substance, and only for gas substances, so:

Kp = (pNH3)²*(pCO2)

Doing an equilibrium chart

NH3 CO2

0 0 Intial

+2x x Reacts (stoichiometry is 2:1)

2x x Equilibrium

446.6 = (2x)²*x

4x³ = 446.6

x³ = 111.65

x = ∛111.65

x = 4.81 atm

pNH3 = 2*4.81 = 9.62 atm

pCO2 = 4.81 atm

By Dalton's law, the total pressure of a gas mixture is the sum of the partial pressure of the substances:

P = 9.62 + 4.81 = 14.43 atm

8 0
3 years ago
El acido nitrico se obtiene industrialmente por oxidacion de amoniaco (nh3), de acuerdo con la ecuacion: 4nh3 + 702 - h2o + hno2
devlian [24]

Answer:

2800 g de ácido nítrico

Explanation:

La ecuación por la oxidación de amoniaco es:

4NH₃  +  7O₂  →  4H₂O  +  2HNO₂  +  2HNO₃

Si pensamos que el oxígeno es el reactivo limitante, trabajamos con el amoniaco. Convertimos su masa a moles:

1.36 kg = 1360 g

1360 g . 1mol  /17g = 80 moles

Si 4 moles de amoniaco pueden producir 2 moles de acido nítrico

80 moles producirán, (80 . 2)/4 = 40 moles.

Convertimos los moles a gramos:

40 mol . 63g /mol = 2520 g

Si le aplicamos la pureza

2520 g . 100/90 = 2800 g

6 0
3 years ago
14. A cylinder at 48.0 atm pressure and 17.0°C releases 35.0 mL of carbon dioxide gas into a
grin007 [14]

59.78175 kPa is the pressure inside the container when a cylinder at 48.0 atm pressure and 17.0°C releases 35.0 mL of carbon dioxide gas into a 4.00 L container at 24.0°C.

<h3>What is an ideal gas equation?</h3>

An ideal gas equation states the relationship between the moles of the substance, temperature, pressure, and volume. The ideal gas equation is given as, PV=nRT

Given data:

P_1=48.0 atm

V_1=3T_1=17.0°C

P_2=?

V_2=4.00 L

T_2=24.0°C

\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}

\frac{48.0 atm X 35.0 mL}{17.0} = \frac{P_2X 4000 ml L}{24.0}

P_2= 0.59 atm = 59.78175 kPa

Hence, 59.78175 kPa is the pressure inside the container when a cylinder at 48.0 atm pressure and 17.0°C releases 35.0 mL of carbon dioxide gas into a 4.00 L container at 24.0°C.

Learn more about the  ideal gas equation here:

brainly.com/question/22368165

#SPJ1

4 0
2 years ago
What happened when we made the predator(snake) population larger?
jeka57 [31]

Answer:

The rabbit prey population will decrease.

Explanation:

More predators are there to eat the prey

3 0
3 years ago
Which best describes how sediment forms?
Svetllana [295]
Inside the ground, different types of rocks and minerals are pressed together. The pressure causes the rocks to go together and form the sediments. Examples of sedimentary rocks are: sandstone, siltstone, and shale.
3 0
3 years ago
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