ionic compounds in solution? Why does this occur

Q: Explain why dispersion forces form.

A: Atoms are held together in a molecule because of some attractive and repulsive forces. These forces…

Q: is used for organic compounds which decompose at or below their boiling points. ........

A: The boiling point is defined as the point at which the temperature of the liquid becomes equal to…

Q: Write

A: 1. In powder method, instead of taking a single crystal ,a finely powdered mass of crystalline…

Q: 1. What is the difference between conductivity of solutions and metallic conductivity?

A: Differences are stated as shown below,

Q: when water molecules are attached to one another the arrangement is what?

A: A water molecule consists of one oxygen and 2 hydrogen atoms and these hydrogen atoms are linked by…

Q: Ethanol is an alcohol found in drinks such as beer and wine. Examine this molecule. Are there any…

A: Chemical bond is attractive force that binds the ions or molecules together in a compound.Different…

Q: The very high melting point and boiling point of ionic compounds such as NaCl is due to the very…

A: • We need to determine which intermolecular force of attraction exist in ionic compounds.

Q: Predict which will have the higher boiling point: ICl or Br2. Explain your reasoning.

A: The compound given are ICl and Br2  Since there is 1 Br-Br bond only in Br2 with no…

Q: Examples of solid gas mixtures

A: Smoke (Solid Particles of soot suspended in air)

Q: How are the principles of melting points applicable to boiling points?

A:

Q: Atoms in metals easily slip past one another as mechanical force is applied; can you think of why…

A: Since in metals the force of attraction between the atoms is because of van der waal's force. While…

Q: Explain using words and pictures why substances that have high vapor pressures at room temperature…

A: Vapour pressure is the escaping tendency of molecules . Higher the vapour pressure higher is the…

Q: How will you know if a certain molecule is a polar or non-polar? 2. Explain the four types of…

A: The polarity is a separation of electric charge to molecules having an electric dipole moment. with…

Q: Explain why higher average kinetic energy results in higher vapor pressure in terms of IMFs.

A: The reason why higher average kinetic energy results in higher vapor pressure in terms of IMFs has…

Q: What kinds of attractive forces exist between particles (atoms, molecules, ions) in ionic crystals

A: An ionic crystal is a crystalline ionic compound. They are solids consisting of ions bound together…

Q: Describe the nature of nonpolar and polar covalent bonds, ionic bonds, and hydrogen bonds. Why are…

A: Chemical bond results when there is positive interaction between the species. The species can be…

Q: B. Using the concept of intermolecular forces of attraction, explain why butter melts at room…

A: B.) There are van der waals forces of attraction present between the molecules butter. When butter…

Q: What was the observation that Fritz London made that led him to believe that all neutral atoms and…

A: Fritz London contributed a theory on the bonding of the molecules, known as London dispersion…

Q: What happens at the molecular level when water boils?

A: Water molecules form Hydrogen bonding between themselves which is the strongest intermolecular…

Q: Which compound would you expect to have the highest boiling point?

A: Compared to alkanes and alkenes, alkynes have a slightly higher boiling point. Ethane has a boiling…

Q: 1) Engineers use materials to perform different functions based on the properties of the materials.…

A: Based on the characteristics of the metal and the non metals, they will be chosen to design and…

Q: Why does distilled water not conduct electricity, whereas rain water does?

A: Given: Distilled water does not conduct electricity whereas rain water does conduct.

Q: What are the theoretical properties of mercury that should exhibit at room temperature? Why is…

A: ANSWER IS :

Q: Are the molecules that can hold the lesser number of drops in a coin is the same as the molecules…

A: Yes , due to less intermolecular forces among all  the one who can hold the lesser number of drops ,…

Q: what type of intermoleculat forces occurs between water and chlorine

A: Water (H2O) and Chlorine (Cl2)

Q: When you test a sample of tap water, the lightbulb of the conductivity apparatus glows bright why?

A: When we test a sample of tap water, the light bulb of the conductivity apparatus glows bright. Hence…

Q: The slight negative charge at one end of one water molecule is attracted to the slight positive…

A: The attractive force that is mainly responsible for binding H atom of single molecule with…

Q: What happens at the molecular level when water is heated?

A: Introduction: We have to tell what will happen when water is heated.

Q: Predict which will have the higher boiling point: N2 or CO. Explain your reasoning.

A: N2 or CO which will have the higher boiling point has to be given below.

Q: Sketch several water molecules, showing all covalent and hydrogen bonds. Be sure to indicate the…

A: Covalent bond: It is the chemical bond formed when the two atoms of the same compound share an equal…

Q: Why is oil liquid at room temperature, while butter is solid?

A: We have to discuss the reason why the oil liquid at room temperature, while butter is solid. Butter…

Q: arrange the following according to decreasing intermolecular force of attraction. Explain your…

A: The solutions given are, A. Carbon tetrachloride B. Water C. Sodium chloride in water D.…

Q: Explain what is meant by the 'structure of a liquid'.

A: Liquid is the one of the state of matter. Liquid has fixed volume but no fixed shape.

Q: Ice melts to form liquid water Describe this physical change in terms of the arrangement of the…

A: Solid to liquid transformation is a physical change as we are adding some energy. This process is…

Q: Based on this. What was the percentage by mass of water in the sample?

A: Given sample is = MgSO4·7H2OMolar mass of  MgSO4·7H2OMgSO4·7H2O =  24 + 32 + 16×4 + 72+16…

Q: With respect to their solubility in water, substances with nonpolar covalent bonds are ________,…

A: When the amount of substance dissolved in a solution is the maximum which is supposed x, then that…

Q: Which of the following is true when dissolving polar covalent (molecular) compounds in a polar…

A: Solution: We are given a polar covalent compound in a polar solvent ( water)

Q: Why does water frozen in an ice cube tray stay in the shape of a cube when it is it taken out of the…

A: Water is a liquid which attain the shape of any contained in which it is poured.

Q: What are Hydrates? Give some examples?

A: Hydration: The chemical reaction in which there is an addition of water molecule is known as…

Q: Which method would you use to determine water content in packaging material, pharmaceuticals and…

A: Karl Fischer method

Q: When salt (sodium chloride) is placed in water, what happens to the molecules?

A: Sodium chloride is an ionic compound that contains Na+ and Cl- ions.

Q: 100. Draw ionic Lewis structures for KF and CaC. Use the in- formation and the method in the…

A: The ionic Lewis structures are - For KF  K˙ + ⋮ F˙⋮  →K+ ⋮F¨⋮- = K+F- For CaO Ca: + :O :¨…

Q: 3. Of these, which combination of elements do we think would make a compound most similar to water…

A: Water has a unique property  of hydrogen bonding due to which it is accepted  as universal solvent .…

Q: 1. Why is metallic crystalline solid a good conductor of electricity? A. Atoms are packed close…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: Which will vaporize faster between alcohol and water?

A: The rate of vaporization depends upon the boiling point of the liquid and intermolecular…

Q: What properties of an element and/or water causes particular elements on the periodic table…

A: Potassium belongs to group 1 in periodic table. For group 1 elements the valance electron enters…

Q: Determine if crystalline sodium chloride and water are incompatible. If they are incompatible, state…

A: Incompatible chemicals are defined as the concentrated solutions of chemicals which when combined…