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Determine how many pounds of CO2 are produced from the complete combustion of 1.00 gal of gasoline? Assume that gasoline has the formula C8H18 and has a density of 0.703g/mL.
Determine the numbers of kilojoules of energy is liberated when the 15.00 g of glucose, C6H12O6 is burned in oxygen?
When five milliliters of ethyl ether, C4H10O (l), (d=0.714 g/ml) is burned in a bomb calorimeter, the temperature rises from 23.5 degrees C to39.7 degrees C.
What is the final temperature of the water after thermal equilibrium is reached when the specific heat of water is 4.184J/gk and a 25.0g sample of water at 37.3deg Celsius is mixed with the
Explain what change would you expect on the rate of the SN2 reaction of 1-iodo-2-methylbutane with cyanide ion if the nucleophile concentration is unchanged and the alkyl halide concentrat
Explain what change would you expect on the rate of the reaction of ethanol with 2-iodo-2-methylbutane if the nucleophile concentration is halved by adding diethyl ether as an inert solve
Write down a balanced equation, and use the following data to calculate the amount of energy released (in kJ/mL) from the combustion of cooking fat: Formula=C51H88O6 One possible use for the cooking
A 50-g sample of impure KClO3 (solubility = 7.1 g per 100 g H2O at the 20 degrees C) is contaminated with 10 percent of KCl (solubility = 25.5 g per 100 g of H2O at 20 degrees C).
Determine the approximate freezing point of a solution made from 21.0 g NaCl and 1.00 x 102 g H2O. The Kfof water is 1.86 degrees C/m.
Determine how many grams of benzoic acid must be dissolved in the150 milliliters of water in order to produce a solution having pH of 2.50.
Determine the value of the equilibrium constant for the reaction.Based on the equilibrium constant values for the following reactions:
Determine the osmotic pressure of a solution prepared from the 13.7 g of the electrolyte HCl and 0.500 kg of water at 18 degrees C?
Determine how many moles of a solid NH4Cl must be added to 1.0liter of 2.00 NH3 in order to produce a final solution having a pH of 9.40?
Determine how many moles of solid NaOH must be added to this solution to increase the final pH to 5.75? A balanced buffer is prepared by dissolving the 1.0 mole ofNaC2H3O2 in 1.00 liter of 1.00
Determine the electronic contribution Selec to the standard to the standard molar entropy of the gas 298.15K. Compute a gas @ temperature T whose molecules have three electronic energy levels.
The concentration of acetylsalicylic acid (C9H8O4, molar mass = 180. g/mol) in your blood is found to be 2.99 x 10-4 M after you take two tablets.
Determine the pressures in each of the containers. Determine the final pressure of the system if all containers are connected together and the gases are allowed to mix.
Explain how long will it take for the reaction to be 90% complete? It takes 42.0 min for the concentration of a reactant in a first-order reaction to drop from 0.45 M to 0.32 M at 25 degrees C.&nbs
Determine how many moles of carbon dioxide gas are there in a sample collected over water if the sample volume is250.0 mL at 25°C and a total pressure of 780 mmHg?
Explain what mass of Al is required to form the 2.000 L of hydrogen at the 875 mm Hg and 15°C?Consider the reaction of Aluminum with acid.
A 65 year old man has a history of shortness of breath that has become progressively worse over the past 5 years. His laboratory values are as follows
Determine the equilibrium partial pressure of all the components, starting with pure phosgene at 0,760 atm.
It should be obvious that the sodium ethoxide is used in excess from the stoichiometry. What happens to this excess during work-up? At what point is it destroyed. Write down the reaction that occurs
Determine an approximate enthalpy (in kJ) for the reaction of 9.46 g gaseous methanol (CH3OH) in excess molecular oxygen to form gaseous carbon dioxide and gaseous water.
Explain the percent deviation between the theoretical yield and your actual yield. Discuss why your actual yield is different from the theoretical yield.