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2 years ago

Identify the reaction type shown and describe the clues that were used to identify it. Fe2O3 + 2SiO2 → Fe2Si2O7

1 answer:

6 0

The type of reaction of Fe2O3 + 2SiO2 → Fe2Si2O7 would be that it is a synthesis reaction. It is a type of chemical reaction in which two or more simple substances combine to form a more complex product.

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A scientist is combining two gray elements. He thinks he will get a gray compounds. Use what you learned in this lesson to expla

adelina 88 [10]

Answer:

Explanation:

Depending on the elements that are being combined, a chemical reaction could occur and cause a change of color to take place if the elements reacts to the other one.

3 0

2 years ago

How is a compound different from mixtures

borishaifa [10]

Answer: a compound is a substance that is made up of more than one type of atoms bonded together, mixtures are a mix of multiple elements or compounds which haven't bonded together.

Explanation:

8 0

2 years ago

Which of the following substances dissolves most readily in water?

FrozenT [24]

The answer to you’re question is C. NH3

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2 years ago

Balancing Equations Worksheet

kakasveta [241]

Answer:

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 ^_^

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2 years ago

summarize how the VSEPR model helps explain how electric charges affect bonding and molecular shape in covalent compounds

Oksanka [162]

The VSEPR model helps in explain how electric charges affect bonding and molecular shape in covalent compounds as -

The form of many molecules and polyatomic ions can be predicted using the valence-shell electron-pair repulsion (VSEPR) model, which is pronounced "vesper." However, keep in mind that the VSEPR model, like any model, is only a partial description of reality; it doesn't reveal bond lengths or the existence of numerous bonds.

The structures of many compounds and polyatomic ions with a central metal atom can also be predicted by the VSEPR model, as can the structures of practically any molecule or polyatomic ion with a central nonmetal atom. The foundation of the VSEPR theory is the idea that electron pairs in bonds and lone pairs reject one another and would, as a result, adopt a geometry that spreads them as far apart as feasible. The three-dimensional structures of many compounds, which cannot be predicted using the Lewis electron-pair approach, can be predicted using the straightforward VSEPR counting procedure, despite the fact that this theory is oversimplified and does not take into account the subtleties of orbital interactions that influence molecular shapes.

By concentrating only on the number of electron pairs surrounding the central atom and disregarding any other valence electrons present, the VSEPR model can be used to predict the geometry of the majority of polyatomic compounds and ions. This model states that valence electrons in the Lewis structure form groups that can be made up of a single bond, a double bond, a triple bond, a lone pair of electrons, or even a single unpaired electron, which is treated as a lone pair in the VSEPR model. Electrostatic repulsion causes electrons to repel one another; hence, the arrangement of electron groups that minimises repulsions is the most stable (lowest energy). The arrangement of groups around the centre atom creates the molecular structure with the lowest energy

The molecule or polyatomic ion is designated by the letters AXmEn in the VSEPR model, where A stands for the centre atom, X for a bonding atom, E for a nonbonding valence electron group (often a lone pair of electrons), and m and n are integers. The designation of each group surrounding the centre atom as a bonding pair (BP) or lone (nonbonding) pair (LP). Both the relative locations of the atoms and the bond angles—also known as bond angles—can be predicted from the BP and LP interactions. We may characterise the molecular geometry—the configuration of the bound atoms in a molecule or polyatomic ion—using this knowledge.

For more information about VSEPR- brainly.com/question/12775505

6 0

1 year ago