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katrin2010 [14]
2 years ago
7

РЬ(он)2 + Hсі — Н2О + РЬСl2

Chemistry
1 answer:
Semenov [28]2 years ago
5 0

Pb(OH)2 +2HCl———————> 2H2O+PbCl2

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An ideal gas is brought through an isothermal compression process. The 3.00 mol of gas goes from an initial volume of 261.6×10−6
Eduardwww [97]

Answer : The temperature and the final pressure of the gas is, 586.83 K and 1.046\times 10^{9}atm respectively.

Explanation : Given,

Initial volume of gas = 261.6\times 10^{-6}m^3

Final volume of the gas = 138.2\times 10^{-6}m^3

Heat released = -9340 J

First we have to calculate the temperature of the gas.

According to the question, this is the case of isothermal reversible compression of gas.

As per first law of thermodynamic,

\Delta U=q+w

where,

\Delta U = internal energy

q = heat

w = work done

As we know that, the term internal energy is the depend on the temperature and the process is isothermal that means at constant temperature.

So, at constant temperature the internal energy is equal to zero.

q=-w

Thus, w = -q = 9340 J

The expression used for work done will be,

w=nRT\ln (\frac{V_2}{V_1})

where,

w = work done = 9340 J

n = number of moles of gas  = 3 mole

R = gas constant = 8.314 J/mole K

T = temperature of gas  = ?

V_1 = initial volume of gas

V_2 = final volume of gas

Now put all the given values in the above formula, we get the temperature of the gas.

9340J=3mole\times 8.314J/moleK\times T\times \ln (\frac{261.6\times 10^{-6}m^3}{138.2\times 10^{-6}m^3})

T=586.83K

Now we have to calculate the final pressure of the gas by using ideal gas equation.

PV=nRT

where,

P = final pressure of gas = ?

V = final volume of gas = 138.2\times 10^{-6}m^3=138.2\times 10^{-9}L

T = temperature of gas = 586.83 K

n = number of moles of gas = 3 mole

R = gas constant = 0.0821 L.atm/mole.K

Now put all the given values in the ideal gas equation, we get:

P\times (138.2\times 10^{-9}L)=3mole\times (0.0821L.atm/mole.K)\times (586.83K)

P=1.046\times 10^{9}atm

Therefore, the temperature and the final pressure of the gas is, 586.83 K and 1.046\times 10^{9}atm respectively.

6 0
3 years ago
Name the hydrocarbon...i need help
kondaur [170]

Answer:

The given hydrocarbon is Ethylene Glycol

4 0
3 years ago
Why graphite is a nonmetal, why it is not included in metalloid.
alexira [117]

Graphite is a not metal because of the lack of the properties

  • Metals are ductile but graphite is not ductile
  • Metals are meleable but graphite is not meleable
  • metal are sonorous but. graphite is not sonorous
  • Metal are lustrous but graphite is not lustrous

Graphite contains only one property of metal

  • metal is a good conductor of electricity but its a exception.

Because of all that reasons graphite is not included in metalloid.

Hope it helps u mate

5 0
3 years ago
Carl hits a baseball with a force of 8 N. The next batter, Stacy, hits it with 12 N of force. Which ball will accelerate faster?
Kisachek [45]

Answer:

The ball hit with 12 N

Explanation:

acceleration = Force/ mass

If masses of balls are the same, then more the force -  more acceleration.

12N more than 8N,

so the ball that hits Stacy accelerate faster.

8 0
3 years ago
Read 2 more answers
Have you ever tried to mix sugar with a cold drink like tea or lemonade? What happened? Explain why.
Vinvika [58]

Answer:

yes

Explanation:

it wont dissolve because when water is cold its molecules dont separate

5 0
3 years ago
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