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Problem: A student used 2.67 grams of NH3 in a reaction with excess HCL 6.97 kg of energy is released in the reaction. What is the Delta heat for this reaction per mole of NH3 consumed? Please give the detailed solution of this problem with complate computations.
Two of the following ions depend on their conversion into a gas for detection. What are the 2 ions? The two ions will form an ionic compound.
not all element names come from english or latin words. the sysmbol for tungsten is w from the german word wolfram. the
calculate the partial pressures of the three gases remaining at the completion of the reaction if the total pressure
Part A: Use the molar volume of a gas at STP to determine the volume (in L) occupied by 12.7 g of neon at STP.
Draw the structures of the two carbocation intermediates that might form during the reaction of the alkene (below) with HCl. If the two carbocations differ in stability,
A block of metal has a width of 3.2cm, a length of 17.1cm, and height of 3.3cm. Its mass is 1.5kg. Calculate the density of the metal.
With regard to the solutions you discarded in this experiment a. Classify the salt discarded from the centrifuge tubes in Step 11.
calculate w.Part B If the temperature of 347g of water is increased by 22.7K , calculate q.Part C If the temperature of 347g of water is increased by 22.7 K, calculate Delta H.Part D If the temperature of 347g of water is increased by 22.7K , calc..
This aqueous mixture then reacts with excess aqueous lead (II) nitrate to form 21.75g of solid. Determine the mass percent of sodium chloride in the original mixture?
a 5.00 ml sample of barium hydroxide is titrated to the phenolphthalein endpoint using hydrochloric acid. the five ml
A quantity of HI was sealed in a tube, heated to 425C, and held at this temperature until equilibrium is reached. The concentration of HI in the tube at equilibrium was found to be 0.0706 moles/liter
The procedure calls for the addition of 7-8 drops of aqueous NaOH. What is the purpose of the base here? Be specific and show the reaction that occurs
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