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 complete combustion of salicylic acid releases 21.90 kJ ofenergy per gram of salicylic acid. In a particular bomb calorimeter(initially at room temperature), the combustion of 0.2370 g ofsalicylic acid, in the presence of excess oxygen, causes thetemperature of the calorimeter to rise by 2.82 °C. When a0.2252-g sample of an unknown organic substance is similarly burnedin the same calorimeter, the temperature rises by 3.46 °C. What is the energy of combustion per unit mass of the unknownsubstance?
The taste of sour milk is lactic acid. What is the molecular formula for lactic acid if the percent composition is 40.00% of C, 6.71% of H, 53.29% of O and the approximate molar mass is 90 g/mol
Once equilibrium is reached, the final temperature of the water-metal mixture is 28.2oC. What is the identity of the metal
Consider the following reaction: 2H2O (g) + 2SO2 (g) 2H2S (g) + 3O2 (g) a reaction mixture initially contains 2.8 M H2O and 2.6 M SO2. Determine the equilbirum concentration of H2S if Kc for the reaction at this temperature is 1.3 x 10^-6
What would you expect to see in a reaction between salicyclic acid and ferric chloride. I would also like to know why.
a 20.0-ml sample of 0.400 m hbr solution is titrated with 0.400 m naoh solution. calculate the ph of the solution after
The concentration of sugar (glucose, C6H12O6) in human blood ranges from about 80 mg/100 mL before meals to 120 mg/100 mL after eating.
Write equations for the preparation of the following alkenes by the Wittig reaction or the Wadsworth- Emmons modification of the Wittig reaction. Start with any carbonyl compound and Witting or Wadsworth- Emmons reagent together with any other org..
Calculate the empirical formula, Molecular weight, and molecular formula of the compound when an organic compound has C=55.8% and H=7.03%. A 1.500g sample was vaporized collected over H2O and found to occupy 0.500L at 100C and 764 mmHg. (vapor pre..
Show, with the aid of a form of the Nernst equation that when using a pH sensitive glass electrode and reference electrode that the measured potential is proportional to pH.
what is the amount of heat kj required if 64.0 kg of h2o is heated from 25degc to 85degc? 200.0 g al c 0.900 at
a 50.0 ml sample of vinegar density 1.06 gml was diluted to 500.0 ml.nbsp titration of a 50.0 ml aliquot of this
the teaching assistants did this experiment last week. they started with 5.872g piece of copper wire. after drying the
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