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Student worked on a problem and the response indicated that NCl3 was a polar covalent bond. Explain how can that be when N and Cl both have electronegativity levels at 3.0?
In the titration, 34.67 mL of the sodium hydroxide solution was required to react with 0.1082 g KHP. Calculate the molarity of the sodium hydroxide.
What mass of melamine will be obtained from 168 kg of urea if the yield of the overall reaction is 79.0%
In the temperature range from 40 K to 90 K, a certain amount of liquid has a temperature dependent heat capacity that is given by Cp = 18.5 J K?1 + T × 0.24 J K?2. Determine the enthalpy change resulting from heating this sample from 58.0 K to 72...
If the outer electron in a Sn- ion is removed by absorbing a photon of visible light having an energy of 3.776E-19 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron
The normal melting and boiling points of O2 are -218C and -183C respectively. Its triple point is at -219C and 1.14 torr, and its critical point is at -119C and 49.8 atm.
Four ice cubes at exactly 0 ^\circ {\rm{C}} having a total mass of 53.5 g are combined with 110 g of water at 77^\circ C in an insulated container.
When the cations Na+, K+, Rb+, Cs+ are combined with chloride ion in the gas phase to form ion pairs, which pair formation releases the greatest amount of energy?
Identify which of the following statements about the halogenation of alkane hydrocarbons are correct. a) Halogenation of alkanes follows a chain mechanism.
Draw elctron dot structures for the following elements. Na, Al, Cl Ar. Which are the most chemically reactive. Which are the leastchemically reactive
Determine the percent yield for the reaction and also find out at which point the total pressure = 188 torr.
Explain the following species are isoelectronic with the noble gas krypton. Arrange them in order of reduce radius: Rb+ Y3+ Br- Sr2+ Se2-
when nacl is added to a solution of agno3 a white precipitate of agcl forms. if concentrated ammonia nh3 is added to
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