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ololo11 [35]
3 years ago
14

What is the definition of the word: Property (the scientific definition A makes up matter; makes up the world around us B an obj

ect or diagram C something that can be observed about a substance D to change the position of something HEalPPPPPPpPP​
Chemistry
1 answer:
IRISSAK [1]3 years ago
4 0

Answer:

i feel like the answer is A

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The equilibrium constant for the gas phase reaction N2 (g) + O2 (g) ⇌ 2NO (g) is Keq = 4.20 ⋅ 10-31 at 30 °C. At equilibrium, __
pychu [463]

Answer:

At equilibrium, reactants predominate.

Explanation:

For every reaction, the equilibrium constant is defined as the ratio between the concentration of products and reactants. Thus, for the reaction N2 (g) + O2 (g) ⇌ 2NO the expression of its equilibrium constant is:

Keq = \frac{[NO]^{2}}{[O_{2} ][N_{2}]}

Since the equilibrium constant is Keq = 4.20x10-31 the concentration of reactants O2 and N2 must be much higher than products to obtain such a small number as  4.20x10-31 at the equilibrium. Hence, at equilibrium reactants predominate.

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Identify water resevoirs as usuable or unusuable on their current state
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Oceans :unusable
Rivers :usable
Glaciers :usable
Freshwater: usable
Lakes :usable
Groundwater :usable
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What must differ beween the atom of two different elements?​
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The number of protons must differ between two different elements
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PLZ HELP When subjected to heat and pressure, a chemical sedimentary rock can be changed into which rock type?
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Balancing Equations Worksheet
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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
3 years ago
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