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How many kilograms of CaCl need to be added to 25L of ice slush to lower the melting point by 5 degrees C? Please show work. kfp=1.86
The pKa's of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0, respectively.
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration).
Water will change from one phase to another as it temperature changes.In it's gaseous form, steam, water has it's highest temperature.Water in this form will not change into liquid unless a certain amount of heat is removed.An example, is the cond..
How many grams of each reactant remains after the reaction is complete and how many grams of each product is produced
Benzene reacts with 2,2,5,5-tetramethyltetrahydrofuran. Draw a structure for the electrophile that reacts with benzene
Problem- Give two definitive examples of tunneling in chemistry (as opposed to physical process). Of course, "definitive" implies that the process must be observable. Explain your answer in detail.
Find values of humidity ratio, enthalpy, find specific volume for saturated air at 14.696 psia pressure for temperatwe of 75F from a psychrometric chart and calculate the same values using perfect gas relation.
The Starship Enterprise is caught in a time warp and Spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral.
when 0.848 g of finely divided iron is burned 1.212 g of a reddish brown oxide is obtained. write a balanced chemical
question a 12.5 block of niobium metal specific heat capacity 0.268 jg celsius is dropped into a thermally insulated
Problem- Given the following half-reactions occurring in the silver-zinc hearing aid battery, calculate the voltage at 25°C of this battery.
What volume of H2 (at 25oC and 1.00 atm ) can be produced by reaction of 161 g Fe and 202 g of HCl? (Atomic weights: Fe = 55.85, Cl = 35.45, H = 1.008)
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