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Question- What is the percent yield of a reaction in which 41.9 g of tungsten (VI) oxide (WO3) reacts with excess hydrogen gas to produce metallic tungsten and 9.53 mL of water (d = 1.00 g/mL)?
I need help for above question. Show each steps for the above problem.
The oxygen gas collected over water occupied 53.8mL at a temperature of 25°C and a pressure of 733 torr. Compute the mass percent of NaClO3 in the original sample. If at 25°C the vapor pressure of water is 23.8 torr.
The osmotic pressure of 0.010M solutions of a non-voliatile electrolyte solure "a" and a non-volitale non-electrolyte solute "b" are 0.605 atm and 0.235 atm respectively
Explain what the approximate ranges Eg in eV for different colors--color meanings black, white, or actually having a true color green yellow, blue and so on.
calculate the enthalpy change for the following reaction.4 chcl3 l 5 o2 g ---gt 4 co2 g 2 h2o l 6 cl2 gsubstance
A saturated solution of lead (II) bromide is prepared by dissolving the solid in water. the concentration of lead (II) ion in the solution is found to be 0.0115 M What is Ksp for this compound
Compare the energy of a photon of wavelength 3.4 um with that of wavelength 0.155 nm. answer is in E1/E2
When an ionic solid is added into a solvent, you can see that the ionic solid dissociates into its respective cations and anions. The solvent molecules immediately cluster around the ions.
What is the molarity of a solution of vinegar that is 5.00 % by mass acetic acid (CH3CO2H) and has a density of 1.01 g/mL.
A 1.00-mol sample of an ideal monatomic gas is compressed isothermally and irreversibly in one step from 2.50 atm to 6.50 atm at 300.0 K. Calculate G for this process.
the second one volume is 60 and pressure 658psia we want to join them togother in one pipline what is the final equilibriume pressure?
question 1 give the numbers of protons and electrons in each of the following a na b ca2 c al3 d i e o2 f n3 and g
How many E.Coli cells can fit in the volume occupied by a single eukaryoti cell of a round shape with the diameter 50 um? Assume e.coli is cylinder with a diameter of 0.5um and a hieght of 2 um
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