Why are the melting points of ionic compounds higher

Assignment Help Chemistry
Reference no: EM131021167

Why are the melting points of ionic compounds higher than the melting points of molecular compounds?

 

Reference no: EM131021167

Questions Cloud

Consider the diatomic molecules h2 and cs2 : Consider the diatomic molecules H2 and Cs2. For which is the Born-Oppenheimer approximation likely to introduce less error and why?
What is the selectivity factor : A low-pass filter is specified to have Amax = 2 dB and Amin = 12 dB. It is found that these specifications can be just met with a single-time-constant RC circuit having a time constant of 1 s and a dc transmission of unity. What must ωp and ωs of ..
Compute the weighted average cost of capital : Speedy Delivery Systems can buy a piece of equipment that is anticipated to provide an 11 percent return and can be financed at 6 percent with debt. Compute the weighted average cost of capital.
What are the values of amax and amin : The transmission in the stop band, which extends from 5 kHz to ∞, should not exceed 0.05% of the maximum passband transmission. What are the values of Amax, Amin, and the selectivity factor for this filter?
Why are the melting points of ionic compounds higher : Why are the melting points of ionic compounds higher than the melting points of molecular compounds?
Why does a dna strand grow only in the 5''to 3'' direction : Why does a DNA strand grow only in the 5'to 3' direction?
Ethylene and polyethylene is true : Which of the following statements about ethylene and polyethylene is true?
What is the standard deviation of the portfolio : Security F has an expected return of 10 percent and a standard deviation of 26 percent per year. Security G has an expected return of 17 percent and a standard deviation of 58 percent per year. We form a portfolio composed of 30 percent of security F..
Write the equation for the straight line : Write the equation for the straight line that passes though the origin and the point (2, 4). In your answer show the work you did to find this equation. Then graph this equation. In your equation, what is the value of the slope of the equation and..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is the enthalpy change of water

What is the enthalpy change when 100g of water at 50degrees celsius turns into ice at -30 degrees celsius. Specific heat: Ice= 2.09 J/g * K, Water= 4.18 J/g * K, Steam= 1.84 J/g * K Water ?Hfusion= 6.01 KJ/mol and Hvaporization= 40.67 KJ/mol

  How many total hydrogen atoms are in this solution

A solution of ammonia and water contains 3.00×10^25 water molecules and 5.80×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?

  Explain what is the concentration of x when the potential

Explain what is the concentration of X when the potential is 0.0350 V? Presume that the electrode follows the Nernst equation the temperature is at 25°C as well as that the activity coefficient of X is 1.

  Explain the partial pressure of o2

A mixture of N2 and O2 gases are in a 2.0L container at 23 degrees C and at a total pressure of 1.00 atm.

  Calculate the energy change in a system in which 5638 kj of

question calculate the energy change in a system in which 56.38 kj of heat is given off at 2.360 atm pressure and the

  Calculate ph of a solution containing moles of tris

Compute pH of a solution containing .030 moles of TRIS and .020 moles of the salt TRISHCl in a total volume of 1.50L

  When a non-volatile solute is added the vapor pressure of

vapor pressure of pure acetone propanone is 266 torr. when a non-volatile solute is added the vapor pressure of acetone

  What mass of glucose in kg would be required to provide

At the end of 2009, global population was about 6.8 billion people. What mass of glucose in kg would be needed to provide 1200 Cal/person/day of nourishment to the global population for one year

  Explain what mass of silver was oxidized

Silver metal is spontaneously oxidized by chlorate ions in acidic solution under standard conditions. A total of 24.5 mL of Cl2(g) was collected at STP from the redox reaction. What mass of silver was oxidized

  Pure copper may be produced by the reaction of copperi

pure copper may be produced by the reaction of copperi sulfide with oxygen gas as followscu2s o2g rarr 2cus so2gif

  Molecular formula of a compound

Molecular formula of a compound and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .

  Explain balanced chemical reaction for the compounds

What compounds will be present after chemical reaction has occurred. Write out a balanced chemical reaction for this description, and name all compounds present.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd