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Question:
Consider the reaction 2NOBr(g) -->Br2(g) + 2NO (g)
A sample of pure NOBr at a concentration of 0.200 M is allowed to decompose at 50 degrees C. When the reaction has come to equilibrium, the concentration of NOBr is 0.176 M. What is the value of Kc at 50 degrees C for this reaction?
Calculate the volume of each of the following gas samples at STP 8.1 mol c2h2, .255 mole ci,0440 mol co2, 24.1 mol n2o in L
Estimate the mass of potassium hydrogen phthalate (KHP) that will require 25 ml of 0.10 M NaOH to reach the equivalence point in a titration.
The normal melting and boiling points of O2 are -218C and -183C respectively. Its triple point is at -219C and 1.14 torr, and its critical point is at -119C and 49.8 atm.
Octahedral transition metal ions of the 4th period can display both high spin and low spin structures, while the ions of the 5th and 6th periods only show low spin structures.
The peak load delivered by the battery will be just under 2kW. The facility will be assembled from ion-exchange-membrane cells, in which the membranes are sheets of a tough, undisclosed plastic.
The normal melting point of benzene is 5.5 degrees Celsius . For the process of freezing, what is the sign for each of the following: a) Delta Hsys b) Delta Ssys c) Delta Gsys at 5.5 degrees Celsius d) Delta Gsys at 0 degrees Celsius
The atmospheric pressure 4.The volume for the vapor to occupy above the liquid 5.The temperature of the liquid
Titration curve. Consider the titration curve of 10 mL of 0.1 M HA, Ka=1.0x 10^-4 with 0.1 M NaOH. Calculate the pH after 5, 10, and 15 mL of NaOH are added
exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?
Perform each of the following conversions,being sure to set up clearly the appropriate conversion factor in each case- i) 2.4 lb to kilograms
The following acid-base reaction is performed in a constant pressure calorimeter. H+ (aq) + OH-(aq) ? H2O (l) ?H=-57. 32 kJ/mol The temperature of 1000.0 g of water rises from an initial temperature of 24.5 °C to a final temperature of X °C when ..
What is the typical range of Ka and Kb values for weak acids and bases. Which value represents the weakest and which the largest. What would be the pH of solutions 0.1 M in the acid or base at the extremes of the range.
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