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An oxygen molecule having the average velocity at 300K is released from the earth's surface to travel upward. If it could move without colliding with other moleucules, how high would it go before coming to rest? How high could it go if it had the average kinetic energy?
a patient eats fava beans for the first time and suffers from hemolytic anemia. compared to a normal person, her cells contain
Have you observed that when you spill water over your skin on a hot day it will cool you down but if you spill vegetable oil in place of water it will not cool you down give explanation for this difference?
When a 5.8 g serving of cereal burns in the same bomb calorimeter, the temperatrue of the calorimeter increases by 1.92 C. Calculate the fuel value of the cereal in kj/g.
Determine the volume of 6.44*10^-2 M adenosine triphosphate (ATP) that is having 1.68 mol of adenosine triphosphate express your answers in (mL)?
Calculate the amount of heat required to completely sublime 18.0g of solid dry ice (CO2 ) at its sublimation temperature
Include all reaction steps, a detailed mechanism and all reagents necessary. Make a note of any special purification steps if necessary. Synthesize 1,3,5-tribromobenzene from benzene or toluene.
when methane CH4 reacts with oxygen gas O2, water and carbon dioxide are formed. if 25.0 liters of oxygen reacts at 125.0C and 2.00 atm with 22.00L of methane initially
As the sample descended, the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 75.0 atm, what was the volume of the sample? Assume that the temperature was held constant.
A student wants to dissolve the maximum amount of CaF2 (Ksp = 3.2 * 10^-11 ) to make 1 Liter of aqueous solution. a) Into which of the following solvents should she dissolve the salt ?
For a particular reaction, H = -30. kJ and S = -88 J/K. Assume that H and S do not vary with temperature
Draw a reaction coordinate diagram for each of the following nucleophilic addition-elimination reactions. a. the nucleophile being a weaker base than the leaving group
If the volumes in the buret and the flask are identical and the concentration of the acid in the buret is 0.250 M, what is the concentration of the base in the flask.
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