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The following reaction is investigated (assume an Ideal gas mixture)2N2O(g) + N2H4(g) <--> 3N2(g) + 2H2O(g), Initially there are 0.10 mol of N2O and 0.25 mol of N2H4 in a 10.0-l container, If there are 0.50 mol of N20 at equalibrium, how many moles of N2 are present at equalibrium? please show all steps to answer this problem with significant figures
Each student recorded the temperature change and calculated the enthalpy of neutralization. Two of the chemists will report, within experimental error, the same temperature change for the HCl/NaOH reaction. Identify the two students and explain
Arrange the descriptions in order of increasing number of microstates in the resulting system.
if the ethyl alcohol at 35 degree rise through 8.36 cm in a capillary tube of radius 0.20 mm , What is surface tension
For the D3h point group draw 3X3 transformation matrix for each of the operations of this point group on a set x,y,z coordinate
A flask contains a mixture of two ideal gases, A and B. Show graphically how the total pressure of the system depends on the amount of A present
How much energy is required to vaporize 48.7 g of dichloromethane (CH2Cl2) at its boiling point, if its ?Hvap is 31.6 kJ/mol?
What weight of A would be removed from a solution of 21 g of A in 50 mL of water by a single extraction
what is the vapor pressure of ethanol at 290 K when heat of vaporization is equal to 38.56 kJ/mol and the normal boiling point is 351.4?
from the number of moles of H2O(.1331 mol) and CO2(.27 mol) that were produced what are the total number of moles of C atoms?
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM
Identify each of the following as an acid or base and write a chemical equation showing how it is an acid or a base according to the Arrhenius definition?
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
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