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Dinitrogen monoxide decomposes into nitrogen and oxygen when heated. The initial rate of the reaction is 0.022 M/s. What is the rate of change of the concentration of N2O (that is ?[N2O] / ?t)?
Methane reacts with oxygen to form carbon dioxide and water as shown:. determine how much methane must have reacted If 72 grams of water is formed,?
Calculate the percent yield of 1.0 grams of salicylic acid obtained from the hydrolysis of 1.3 mL of methyl salicylate.
If you prepare a 1.00 m solution of NH4ClO4 beginning with water at 25.5C, what is the final temperature of the solution in C?
How many gram of each of the following substances will dissolve in 100 mL of cold water. Ce(IO3)4 RaSO4 Pb(NO3)2 (NH4)2SeO4
What is the hydronium ion concentration of a 0.100 M hypo hpyochlorous acid solution with Ka=3.5x10^-8? Given the equation for the dissociation of hypochlorous acid.
Arrange the molecules in order of decreasing boiling point. Rank the molecules from highest boiling point to lowest boiling point.
A buffer solution was prepared by adding 4.95 g of sodium acetate (NaCH3CO2) to 0.250 L of 0.150 M acetic acid (Ka = 1.75 x 10-5). a. What is the pH of the buffer
1. Class in my opinion determining the right time to upgrade or replace a legacy system is one of the most difficult decisions an organization has to make in the IT environment. However, in today's IT environment, how can companies overcome challenge..
At the endpoint of a titration of a weak acid HA (nicotinic acid) with NaOH (100 mL each, 0.100 M), the pH is 8.78. What is the apparent Ka of the acid
Use molar volume to solve each of the following at STP: a) the volume (L) occupied by 2.50 mol of N2; b) the volume (mL) occupied by 0.420 mol of He; c) the number of grams of neon contained in 11.2 L of Ne gas; d) the number of moles of H2 in 162..
considering the given reduction potentialsasnbsp ag? aq eoline 1 electron ag s edeg 0.800 voltsnisup2? aq 2 eoline 2
What would you expect to see if paper chromatography had been touched by fingers before developing with solvent? What about after it has been developed with solvent, but before staining with ninhydrin?
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