1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Stolb23 [73]
3 years ago
12

Liquid ammonia boils at –33.4ºC and has a heat of vaporization of 23.5 kJ/mol. What is its vapor pressure at –50.0ºC? (R = 8.314

J/K•mol)
Chemistry
1 answer:
blondinia [14]3 years ago
3 0
We use the formula expressed as:

<span>ln (P1 / P2) = - (ΔH / R) (1/T1 - 1/T2)
</span>
were P is the vapor pressures, T is the temperature, ΔH is the heat of vaporization and R is the gas constant.

ln (P1 / P2) = - (ΔH / R) (1/T1 - 1/T2)
ln (P1 / 760) = - (23.5 / <span>8.314</span>) (1/223.15 - 1/239.75)
P1 = 759.33 mmHg
You might be interested in
1. Air shows the property of<br> a) N<br> b) 02<br> c) Both a) and b)<br> d) None of these
kupik [55]

Answer:

c) Both a) and b)

Explanation:

please mark me brainliest

6 0
2 years ago
Read 2 more answers
Burning wood represents a chemical change.<br> True or False?
Strike441 [17]
True
is the answer lol
7 0
3 years ago
Read 2 more answers
What molecules do not attract each other
ExtremeBDS [4]

Answer:

Non-polar and non-polar molecules do not attract each other.

Explanation:

Dont forget to mark me as brainliest if it helped you ( Seriously you will thank me later)

6 0
2 years ago
Read 2 more answers
What is the term for different “jobs” that different cells perform in a multicellular organism?
irga5000 [103]
A.
functions
B.
systems
6 0
3 years ago
Read 2 more answers
Balancing Equations Worksheet
kakasveta [241]

Answer:

<h3 /><h3 />

1. N2+3H2=2NH3

2. CH4+2O2—>CO2+2H2O

3. P4+3O2—>2P2O3

4. 2H2+2NO—> N2+2H2O

5. 2Na+Cl2—>2NaCl

6. TiCl4+4Na—>4NaCl+Ti

7. S8+12O2—>8SO3

8. 2KClO3 —> 3O2 +2KCl

9. Na3PO4 + Fe(NO3)3 —> FePO4 + 3NaNO3

10. 3Ca(OH)2 + 2H3PO4 —> Ca3(PO4)2 + 6H2O

11. HNO3 + NaHCO3 —> NaNO3 + H2O + CO2 (The equation is balanced)

12. 2H2O2 —>2H2O + O2

13. C3H8 + 5O2 —> 3CO2 + 4H2O

14. 6H2O + 6CO2 —> 6O2 + C6H12O6

15. 2AgNO3 + Cu —> Cu(NO3)2 + 2Ag

16. CBr4 + 2Cl2 —> CCl4 + 2Br2

17. Cu + 2H2SO4 —> CuSO4 + 2H2O +SO2

18. 3Na2S + 2Fe(NO3)3 —> Fe2S3 + 6NaNO3

19. Pb(OH)2 + 2HCl —> 2H2O + PbCl2

20. 2AlBr3 + 3K2SO4 —> 6KBr + Al2(SO4)3

21. 2Na3PO4 + 3CaCl2 —> 6NaCl + Ca3(PO4)2

22. 2Al + 6HCl —> 3H2 + 2AlCl3

23. 2NH3 + H2SO4 —> (NH4)2SO4

24. 2C8H18 + 25O2 —> 16CO2 + 18H2O

25. CaCO3 + 2HCl —> H2O + CO2 + CaCl2

26. Na2O + H2O —> 2NaOH

27. 2NaHCO3 —> H2O + CO2 + Na2CO3

28. P4 + 3O2 —> 2P2O3

29. Fe(NO3)3 + 3NaOH —> Fe(OH)3 + 3NaNO3

30. 2Na + 2H2O —> H2 + 2NaOH

31. Na2SO3 + 2HCl —> H2O + SO2 + 2NaCl

32. 2Zn + 2Cu(NO3)2 —> Cu2 + 2Zn(NO3)2

33. 2C2H2 + 5O2 —> 4CO2 + 2H2O

34. H2SO4 + 2KNO2 —> 2HNO2 + K2SO4

35. Cu + 4HNO3 —> Cu(NO3)2 + 2NO2 + 2H2O

36. 3I2 + 6NaOH —> 5NaI + NaIO3 + 3H2O

I hope I helped you ^_^

7 0
2 years ago
Other questions:
  • A certain box contains 200 particles of an ideal gas. how many times more likely is it to find the particles evenly split betwee
    14·1 answer
  • What forces create the bent triatomic shape of a water molecule
    6·1 answer
  • Ethanol can react with hydrochloric acid to form chloroethane and water. When sulfuric acid is added, the
    15·1 answer
  • 4 what is the net amount of heat released when two moles of c2h6(g) are formed from its elements at 101.3 kpa and 298 k?
    8·2 answers
  • What is the best way to reduce the activation energy?
    14·1 answer
  • The pK1, pK2, and pKR of the amino acid lysine are 2.2, 9.1, and 10.5, respectively. The pK1, pK2, and pKR of the amino acid arg
    12·1 answer
  • Assertion: Atomic mass of aluminium is 27 Reason: An atom of aluminium is 27 times heavier than 1 / 12th of the mass of the C –
    7·1 answer
  • The starting position of this object is m. The object is traveling at a velocity of m/s.
    14·2 answers
  • Please help <br> with this question
    10·2 answers
  • Which statement about spontaneous and nonspontaneous processes is correct? Spontaneous processes are favored by a decrease in De
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!