Dipole is defined asA.the separation of charges in a nonpolar bond
B.the separation of charges in a polar bond
C.the separation of charges in an ionic bond
D.the separation of charges in a conjugated bond
E.the separation of charges in a dispersion bond

Answers

Answer 1

Answer:

Answer:

Explanation:

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Which of the notations below is another way to write the name of the following nuclide?A.iodine-53

B.iodide-53

C.iodide-127

D.iodine-127

Answers

Answer: D.iodine-127:

Explanation:

1) As per the definition of nuclide, it is the atomic spieces (the atom) characterized by the nucleons (protons and neutros).

2) To notation for a nuclide is the name of the atom followed by a hypen (without blank spaces) and the mass number.

3) The mass number is the sum of protons and neutrons.

4) From that, you can tell this about the four choices given:

A.iodine-53: is not correct because that would mean that the mass number is 53, which cannot be right as the atomic number of iodine is 53 meaning that it has 53 protons, and so that notation is not including the neutrons.

B.iodide-53: is not correct because the name of the atom is iodine, not iodide (also the mass number cannot be for the same reason explained above)

The name iodide is reserved for the ions from iodine not for the atom.

C.iodide-127: incorrect due to the name iodide, for the same reason explained above.

D.iodine-127: this is correct choice. It is the name of the isotope of the iodine with mass number 127, which means that the atom has 53 protons and 74 neutrons (53 is the atomic number and 74 is calculated from 127 - 53)

Answer:

iodine-127

Explanation:

I did a quiz and it was correct.

Match the following chemical reactions:synthesis, reversible, exchange, decomposition

1. molecules rearrange and form new molecules
2. simultaneous decomposition and synthesis
3. bonds broken and elements released
4. molecules formed from components

Answers

Answer:

Synthesis - 4

reversible- 2

exchange- 1

decomposition-3

Explanation:

In synthesis reaction two or more components combines to form a single product. example 2H2+O2⇒2H2O

In reversible reaction two reactants combine to form two products . The products then reacts and forms back the reactants. example N2 +3H2 ⇒2NH3

In exchange reaction there is an alternation of ions of reactants to form new products. AB+CD ⇒AC + BD

In decomposition reaction, molecules of a compound break down by the action of heat or light or catalyst. example CaCO3 ⇒CaO +CO2

Final answer:

Synthesis involves creating new molecules from components, while Decomposition involves breaking molecules down into their separate elements. Exchange is when molecules rearrange and form new molecules, and Reversible reactions can go forward or backwards.

Explanation:

In chemistry, various types of chemical reactions have different characteristics. Here's how they match with the provided definitions:

Synthesis corresponds with 'molecules formed from components'(4) since synthesis is a type of chemical reaction where two or more simple substances combine to form a more complex substance.
Reversible doesn't correspond directly with any of these definitions, but it designates a reaction that can proceed in either direction - from reactants to products or from products back to reactants.
Exchange relates to 'molecules rearrange and form new molecules'(1) because an exchange reaction is one in which compounds exchange elements or groups in order to form different compounds.
Decomposition is 'bonds broken and elements released'(3). In a decomposition reaction, a compound is broken down into simpler substances.

Learn more about Chemical Reactions here:

brainly.com/question/34137415

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What are the uses of evaporative salts?

Answers

Answer : Evaporative salts are majorly used as common salts or halites, which are highly and widely used to preserve foods, dye fabric, and de-ice roads.

Explanation : Evaporative salts are produced by evaporation of the sea water hence it is named as evaporative salts. These are mainly extracted through evaporation from seawater. The salts from shallow ponds where the seawater gets collected in a land, which is later harvested and then purified.

A solid can evaporate by melting into a liquid, which then evaporates; or by changing instantly into a vapor, or subliming. The rate of evaporation of a substance depends on its surface temperature, the pressure, and the humidity. Evaporation is the procedure by which a liquid or a solid changes into a vapor. A substance may evaporate by changing into a vapor at the surface, as when water evaporates from an uncovered dish.

Drag each tile into the correct box. This pie chart gives information on US sources of greenhouse gas emissions by economic sector in 2013. Based on the data, arrange the activities in decreasing order of their contribution to climate change. Commercial and Residential Agriculture Transportation Industry Electricity

Answers

Electricity

Industry

Transportation

Commercial and Residential

Agriculture

The following three solutions are mixed: 100.0mL of 0.100M Na₂SO₄, 50.0mL of 0.300M ZnCl₂, and 100.0mL of 0.200M Ba(CN)₂. Cyanide (CN-) solubilities are not in most tables, but Ba(CN)₂ is soluble, Zn(CN)₂ is not. a. What ionic compounds will precipitate out of solution? b. What is the molarity of each ion remaining in the solution, assuming complete precipitation of all insoluble compounds, and assuming that volumes are additive?

Answers

a. To determine the ionic compounds that will precipitate out of solution, we need to consider the solubility rules. According to the solubility rules:

1. All sodium (Na+) salts are soluble, so Na₂SO₄ will remain in solution.
2. Zinc (Zn2+) salts are generally soluble, except for zinc sulfide (ZnS) and zinc hydroxide (Zn(OH)₂). However, in this case, we are adding ZnCl₂ to the solution, which contains chloride (Cl-) ions. Chloride ions form soluble salts with most cations, including Zn2+. Therefore, ZnCl₂ will remain in solution.
3. Barium (Ba2+) salts are generally soluble, except for barium sulfate (BaSO₄) and barium carbonate (BaCO₃). However, in this case, we are adding Ba(CN)₂ to the solution, which contains cyanide (CN-) ions. Cyanide ions form insoluble salts with most cations, including Ba2+. Therefore, Ba(CN)₂ will precipitate out of solution as Ba(CN)₂ is not soluble.

b. Assuming complete precipitation of all insoluble compounds and that volumes are additive, we can calculate the molarity of each ion remaining in the solution.

For Na₂SO₄:
- Sodium (Na+) ion concentration: 2 * 0.100 M = 0.200 M
- Sulfate (SO₄2-) ion concentration: 0.100 M

For ZnCl₂:
- Zinc (Zn2+) ion concentration: 0.300 M
- Chloride (Cl-) ion concentration: 2 * 0.300 M = 0.600 M

For Ba(CN)₂:
- Barium (Ba2+) ion concentration: 0.200 M
- Cyanide (CN-) ion concentration: 2 * 0.200 M = 0.400 M

Therefore, the molarity of each ion remaining in the solution, assuming complete precipitation of all insoluble compounds and that volumes are additive, are as follows:
- Sodium (Na+) ion: 0.200 M
- Sulfate (SO₄2-) ion: 0.100 M
- Zinc (Zn2+) ion: 0.300 M
- Chloride (Cl-) ion: 0.600 M
- Barium (Ba2+) ion: 0.200 M
- Cyanide (CN-) ion: 0.400 M

When molecules are joined I an ordered structure