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The reaction between 0.0985g of NaNO2 and excess HSO3NH2 occurs in an Erlenmeyer flask submerged in a water bath at 21.83 degrees celsius. The volume of the system is 268 mL, the volume occupied by the reagents and other equipment is 69 mL. Determine the volume occupied by the gas. The initial pressure was 98.76kPa. The highest pressure obtained was 115.65 kPa. Calculate the molar volume of N2 at the reference conditions of 298.15 kPa. (you may not use PV=nRT)
Explain what volume (mL) of a 7.55M Na2CO3 solution would be necessary to prepare 336.00mL of a 9.60%w/v Na2CO3 solution
A 10.0 lb bag of 20:10:5 fertilizer is 20.0% nitrogen by weight. a) Calculate how many grams of nitrogen are contained in the bag. (I got 907 grams of Nitrogen)
An aqueous solution that 2.10 M in AgNO3 is slowly added from a buret to an aqueous solution that is 1.50×10-2 M in Cl- and 0.250 M in I-. When the second ion begins to precipitate, what is the remaining concentration of the first ion?
For a particle executing S.H.M, potential energy function is given by, V = 1/2kx^2 where k=0.5 N/m is the spring constant of the oscillator. If the total energy of the particle is 1 J, show that the particle turns back when x = 2 m from its mean p..
What was the concentration of lead in the pond. If the acceptable level is 0.001 g/L, is the water from the pond within the acceptable level
Use the following data to calculate the combined heat of hydration for the ions in sodium acetate (NaC2H3O2): Hlattice = 763 kJ/mol; Hsoln = 17.3 kJ/mol
considering the given reaction h2 g l2 g ltgt 2 hl g wherenbsp k 1.00 x 102 at a particular temperature in an
the Redlich-Kwong equation to calculate the value of the pressure of one mole of ethane at 400.0K confined to a volume of 83.26 cm^3. The experimental value is 400 bar.
The activation energy for a particular reaction is 88 kJ/mol. By what factor will the rate constant increase when the temperature is increased
Aluminum has a density of 2.70 g per cm3. If a sheet of aluminum foil measuring 20.5 cm in length and 15.2 cm in width has a mass of 1.693 g, what is the thickness of the foil in mm?
Sodium stearate (C17H35COONa) is a major component of bar soap. The Ka of the stearic acid is 1.3 multiplied by 10-5. What is the pH of 16.5 mL of a solution containing 0.45 g of sodium stearate
How many phases does carbon have? Carbon, like many elements or molecules has several solid phases. What are they?
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