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An ice cube that is 25.00 g (temp -20 C) is placed into 225.00 g of H2O that is 22 degrees C. What will the temperature be when the ice cube has just melted. Use 4.184 J/K*g for the specific heat capacity of ice and water. If the water is then heated to 80 degrees C by burning methane (delta H= =890.31 kJ/mol) how many grams of methane would you have to use?
a sample of nitrogen gas is collected over water at a temperature of 20 degrees celcius and a pressure of 1.00 atm. the
Draw those that have a trisubstituted ring where the methyl groups are oriented in para. Please draw structures
Precipitation of the mononitration product of bromobenzene prevents dinitration from occurring. Explain how this experimental result is an application of the Le Chatelier principle.
what is the ph of a solution prepared by mixing 15.00 ml of a 0.3005 m solution of lactic acid with 15.00 ml of 0.1515
How would the following experimental errors change the calculation of the number of mg of ascorbic acid in fresh orange juice, student neglected to filter the juice
Using your mean experimental value of R =20 ,and of n= 1.00, calcuate the molar volume of your H2 at STP (standar T=273 K,P= 760mm Hg),using the ideal gas law
For the Ca2+ and F- ions, write the mathematical relations defining activity of each ion in terms of its concentration and activity coefficient. e) Based on your answers above, derive a relationship for Ksp' in terms of Kspo and activity coefficie..
The iron-chromium voltaic cell utilizes the following reaction with a measured potential of 0.30 V. What is Î"G ° for this reaction?
What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 7.60x10^2 cal of work done on it
2Hg+2 + N2H4 ------> 2HG + N2 + 4H+ If 13.52 grams of mercury if formed. If you had 135.0 ml of Hg+2, what was the original concentration of Hg+2
hat conclusions can you make concerning the size of the central atom X and the X-H bond length? Compare the four models of CHBrICI. Are they all the same (superimposable on each other? If the answer is yes, can you construct any that are not the s..
Use condensed formulas or line angle formulas to illustrate the saponification reaction of the fatty acid that is BOTH an OMEGA-6 AND AN 18:2 FATTY ACID
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