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Why in this work-up procedure is ordinary not anhydrous ether used for rinsing the reaction ?ask and to provide a satisfactory volume for the extraction?
the average european woman consumes food with energy content of 7525kj. what is the daily intake in kilocalories or food calories
An analysis of nicotine (MW=162 g/mol) gives 74.0% carbon, 8.65% hydrogen, and 17.3 nitrogen. What is the true Molecular formula for nicotine?
A gas occupies 10.0 L at 44.1 psi and 27 degrees C. What volume will it occupy at standard conditions
A reaction in which and react to form products is zero order in , one-half order in , and second order in .By what factor does the reaction rate change if is doubled
determine that the temperature of your distilled water is 24.5°C. You carefully determined the mass of a clean dry beaker and found that it was 58.1884 g.
What proportion of I2 molecules are in the ground and the first two excited levels at the two temperatures. Calculate the vibrational contribution to the molar entropy of I2 at the two temperatures
What is the sum of the stoichiometric coefficients when the reaction is balanced to lowest common denominator
Explain what is meant by a spontaneous process. Is a spontaneous process necessarily a rapid one? Explain, and provide a real reaction as an example to illustrate your answer.
If the partial pressure of helium is the same as the partial pressure of oxygen, what do you know about the number of helium atoms compared to the number of oxygen molecules? explain.
a sample of oxygen occupies 178 mL in a cylinder shown at a barometric pressure of 734 torr and 25 degrees Celcius. If the piston is pushed in and compresses the oxygen sample to 134 mL, what is the pressure (in torr) of the gas?
A 50.0 L steel vessel, filled with CH4 to a pressure of 10.0 atm at 298 K, is heated to 1600 K to convert CH4 into C2H2 . What mass of C2H2can be produced. What pressure does the reactor reach at 1600 K? 2CH4 (g) C2H2(g) + 3H2(g)
A sample of unknown material containing C,H,& O is analyzed to determine the molecular weight. A 1.25g sample is burnt and produces 1.72g of CO2.
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