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Explain when a solution containing 1.4g of Ba(NO3)2 and 2.4g of NH2SO3H is boiled, a precipitate forms. The precipitate may be Ba(NH2SO3)2, BaSO4, or Ba(NH2)2. a) Compute the number of moles of each reactant. b) Find out the limiting reactant. c) Explain what conclusion can you reach about the limiting reactant?
The directions state "weigh about 5 grams of sodium chloride". Give minimum and maximum amounts of sodium chloride that would satisfy these instructions.
Using basic knowledge of Maxwell relations and such, can you derive a thermodynamic equation of state that can allow for the easy evaluation of this parameter
a a 10.0 g sample of a mixture of methane ch4 and ethane c2h4 reacts with oxygen at 25c and 1 atm to produce carbon
calculate the heat released when 176g of water at 23.0 degrees celsius are converted to ice at -10.0 degrees celsius?
a sample of gas contains 50.0 helium and 50.0 xenon by mass. what are the partial pressures of each gas when the total
what is your prediction for the next reaction?
Propylene glycol is a non-volatile di-alcohool that is used for de-icing of aircrafts on the ground. What is the minimal volume of propylene glycol that will be required per square meter of aircraft surface to remove a 3mm ice sheet if the tempera..
What is the concentration of ammonium ion in a pH 9 solution that forms when concentrated NaOH is added
Determine the shortest frequency of light required to remove an electron from a sample of Ti metal, if the binding energy of titanium is 3.14 x 103 kJ/mol.
calculate the approximate mass of KHP required to react with 40.0 mL of 0.125 M sodium hydroxide in titration.
a metal object with a mass of 19g is heated to 96 degrees C, then transferred to a calorimeter containing 75 g of water at 18 degrees C. The water and metal object reach a final temperature of 22 degree C.
According to the law of conservation of mass, what is the mass of oxygen that reacted with the iron. Calculate the number of moles of oxygen in the product.
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