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A 4.0L sample of air collected at 298 K and then cooled to 278F while held at constant pressure. What is the new volume of the air
how many grams of methylamine must be combusted to raise the temperature of 431 g of water from 11.0 degrees Ce to 41.0 degrees C?
In the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3)in the isolation step. Why? What gas is evolved during this washing step? Write a balanced equation for the reac..
Draw a potential energy diagram to illustrate this reaction mechanism, assuming that the overall reaction is endothermic. Label reaction intermediates with "RI", and activated complexes with "AC"
Sketch the curves for (A) the titration of a typical weak acid (30.0ml of 0.10 M) with a strong base (0.10 M) and (B) the titration of a typical strong base
What is the change in entropy for the system, surroundings, AND total for the following processes
The volume of a gas is 93 mL when the temperature is 91 C. if the temperature is reduced to 0 C without changing the pressure, what is the new volume of the gas
Phenolphthalein is an acid base indicator. What color does it possess in the presence of excess hydrogen (i.e., hydronium) ions?
A reaction in water causes the water in beaker to cool from 25 degrees Celsius to 21 degrees Celsius. The volume of water 150ml (d=1.0g/ml). What is the heat absorbed by the reaction?
What is the molarity of a solution that is 7.00% by mass magnesium sulfate and has a density of 1.071.
If I have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees C in a balloon, what is the volume of the balloon? (Round to one decimal place.)
why potassium permanganate and oxalic acid is choose to run the experiment to determine the activation energy?
Drawa a fat (oil) molecule representing corn oil. The fatty side chains that you need to include are two of the esters group derived from oleic acid and one from the linoleic acid
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