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When 35.6 L of ammonia and40.5 L of oxygen gas at STP burn nitrogen monoxide and water is produced. After the reaction return to STP how many grams of nitrogen monoxide is present.
Calculate the mass of silver nitrate (in grams) in a 145 mL solution of 5.38 M AgNO3.
What is the final state of the system when the piston has stopped and there is a balance of forces across the piston? Do not neglect the fact that during motion there may be some friction between moving parts. Consider cases in which the piston is..
what is the final temperature when 20.0 g of water specific heat capacity 4.184 jbullg-1bullk-1 at 80.0 ?c is mixed
propane is burned in excess oxygen, 886 kj of heat is evolved. What is the delta Hrxn of this reaction?
What is the lewis structure and molecular shape around the carbons in CCl2CH2 as predicted by the VSEPR theory?
A piece of a newly synthesized material of mass 25.0 g at 80.0C is placed in a calorimeter containing 100.0 g of water at 20.0C. If the final temperature of the system is 24 0C
Under standard-state conditions, what spontaneous reaction will occur in aqueous solution among the ions Ce4+, Ce3+, Fe3+, Fe2+? Calculate ?Go and Kc for the reaction.
2.10 L of a buffer solution that is 0.360 M in NH3 and 0.430 M in NH4Cl are diluted to 4.30 L with distilled water. What is the pH of the buffer? Kb of NH3 = 1.8 10-5.
The balloon is blown up with air from a starting volume of 1 m3 to a volume of 3 m3. Find the final mass of air assuming it is at 25oC and the work done by the air
what is the pH of a solution that results from adding 0.043 mol Sr(OH)2 (s) to 1.31 L of a buffer comprised of 0.27 M benzoic acid, C6H5COOH and 0.27 M sodium benzoate, C6H5COONa?
What is the density of aluminum in g/cm, A small cube of aluminum measures 15.6 mm
Predict what product favored reaction will occur when potassium metal is dropped into liquid water. Write a balanced chemical equation for the process and explain breifly how you made your predicition.
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