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Above 300 degrees C, ammonium nitrate decomposes to N2, O2, and H2O. Write a balanced chemical reaction describing the decomposition of ammonium nitrate, and determine the standard heat of reaction by using the appropriate enthalpies of formation.
A 245 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution?
consider the titration of 100.0 ml of 0.200 m acetic acid ka 1.8 10-5 by 0.100 m koh. calculate the ph of the
Find N-H bond energy in ammonia using the standard enthalpies of formation N(g)=472,7kJ/mol, H(g)=216.0kJ/mol, NH3(g)=-46.1kJ/mol
If a solution containing 63.411 g of mercury(II) chlorate is allowed to react completely with a solution containing 16.642 g of sodium sulfate, how many grams of solid precipitate will be formed. How many grams of the reactant in excess will remai..
No inflection points were observed with the HCl titrations but two were observed in the titration with NaOH. One occurred after 3.29 mL of titrant had been added and another after a total of 18.61 mL of NaOH had been added. Calculate the concentr..
What mass of potassium chromate is needed to add to exactly 500g of water to produce a solution with vapor pressure of 21.50 torr at 24 C
calculate the volume, in liters, of each of the following solutions that provides the given amount of solute: a)5.00 mol of NaOH from a 12.0 M solution. b)15.0 g of Na2SO4 from a 4.00 M solution. c)28.0 g of NaHCO3 from a 1.50 M solution.
for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 425mL of a solution that has a concentration of Na+ ions of 1.50M?
Place palmitic acid at the middle position. Cis/trans isometry is graded -it may help to draw hydrogen atoms associated with the carbon atoms of the double bond.
Give explanation for arrangements how you decide the boiling points comparison - Arrange all these compounds in order of increasing boiling points
A vinegar titration was completed using a pH meter as an indicator of the changing pH. A 25.00 sample of diluted vinegar
You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 20.0 mL of 1.00 M NaOH solution
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