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At 450 Celsius, 5.56 moles of ammonia are place din a 2.00-L vessel and allowed to decompose to the elements.
2NH_3_(g) <----> N_2_(g) + 3H_2_(g)
If the experimental value of K is 6.3 for this reaction at this temperature, what is the total pressure in the flask?
170mL of an HCl solution with pH of 2.80 is added to 200mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution
If the heat of vaporization for Br2 is 29.6 kJ/mol and ΔS° for the vaporization is 88.9 J/mol⋅K, what is the boiling point for bromine?
What mass of glucose C6H12O6, would be required to prepare 5.000 X 10^3 L of a 0.215 M solution.
Calculate the maximum amount of CO2 that can be produced when 64.0 g of O2 and 64.0 g of CH3 OH are mixed for the reaction 2 CH3OH + 3 O2 → 2 CO2 + 4 H2 O .
How many total moles of oxygen gas can be generated through this decomposition? B. If this oxygen is formed within the bottle described in question 1, what change in pressure would be predicted?
A hiker caught in a thunderstorm loses heat when her clothing becomes wet. She is packing emergency rations that, if completely metabolized, will release 30 kJ of heat per gram of rations consumed.
Draw a flow chart showing the procedure and the observations to be expected at each step with each of the possible cations.
An airplane is pressurized to 650 mm,Hg}, which is the atmospheric pressure at a ski resort at 1.30×104 ft altitude. If air is 21 % oxygen, what is the partial pressure of oxygen on the plane?
find the concentration of calcium ions in a solution made by adding 3.50 g of calcium fluoride to 750ml of .125M NaF. Ksp for CaF2 is 3.95x10^-11
The normal respiratory rate for a human being is 15.0 breaths per minute. The average volume of air for each breath is 0.505 L at 20.0°C and 9.95 x 104 Pa. What is the volume of air at STP that an individual breathes in one day (in cubic meters or..
Which of the following observations is the strongest argument that in favor of the hypothesis that protein structure and function are related?
What volume of 0.1M NaOH is required to fully neutralize 20 mL of 0.1M acetic acid? of 50 mL of 0.04M Phosphoric acid
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