Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
The first ionization energy of a gas-phase atom of a particular element is 6.24 x 10^-19 J. What is the maximum wavelength of electromagnetic radiation that could ionize this atom?
1.the aquous solution of sodium bromide has the molality of 2.50m and the molar mass was found 102.9 gmol then compute
Calculate the pH at the equivalence point for the titration of 0.25 M CH3COOH with 0.25 M NaOH. (For CH3COOH, Ka= 1.8 x 10^-5)
1-phenyl-3-p-hydroxyphenyl-2-propen-1-one has a lower pKa value than does phenol. Account for this and the color of the phenoxide in terms of resonance structures for the anion.
What would happen to the melting point if this unknown were mixed with (a) an equal quantity of pure acetanilide. (b) an equal quantity of benzoic acid
the fraction of the initial mass of gas remaining in the tank if carbon dioxide obeys the ideal gas and PR equations of state
A titration was set up with standard potassium permanganate solution(.020 M). A volume of 17 mL potassium permanganate was need to reach the endpoint.
An alloy of iron contains 75.0% iron and 25.0% other elements. How many grams of iron are present in 150. g of the alloy?
Balance the chemical equation when aqueous ammonium phosphate and aqueous calcium choloride are mixed. What is the sum of the coefficeints?
A 21.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the temperature rises from 25.0°C to 62.3°C, determine the heat capacity of the calorimeter. The molar mass of ethanol is 46.07 g/mol.
a generic salt ab has a molar mass of 243 gmol and a solubility of 8.90 gl at 25 c what is the ksp of this
Burning something is the combining with oxygen. Hydrocarbons, such as methane, ethane, octane (for automobiles)., combine with oxygen to form carbon dioxide and water. These combustion reactions all release energy and are all exothermic.
How much energy (in kilojoules) is released when 15.9g of steam at 129.5C is condensed to give liquid water at 68.5C? The heat of vaporization of liquid water is 40.67 KJ/mol , and the molar heat capacity is 75.3 J/(Kmol) for the liquid and 33.6 J..
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd