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Explain how do you come up with the Ksp value. It is not given in the problem. Is there another way to solve the problem without it?
what is the denisty of a substance if a 1.50ml sample has a mass of 0.550g at room temperature? what is the specific
What mass of this substance must evaporate in order to freeze 160 g of water initially at 19 C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c. K}.)
Determine the molarity of Fe+3 ions and SO4-2 ions in a solution prepared by dissolving 48.05g of Fe2(SO4)3 in enough water to make 800.0mL of solution.
The specific heat cacpacity of solid copper metal is 0.385/Jg-K. How many joules of heat are needed to raise the temperature of a 1.55-kg block of copper from 33.0 0C to 77.5 0C
Calculate the number of photons emitted in one second by a 13 W laser operating at a wavelength of 400.0 nm. photons
a bomb clorimeter contains 2.5 liters of water if the combustion of .175 moles causes the temperature of the water to rise 45 degrees celsius, what is the molar heat of combustion.
How will that change in temperature affect the rate of diffusion of molecules within the cytoplasm of the muscle cells. Why.
Addition of HBr to 1-phenylpropene yield only (1-bromopropyl)benzene. Propose a mechanism for the reaction and explain using resonance structures why none of the other regioisomer is produced?
Why is this isolation so difficult? Please explain using the isoelectric point and the effect PH will have on the structure of your product
Cold dilute H2SO4 was accidentally utilized in place of cold concentrated HCL as the group reagent for the silver group in the analysis of an unknown solution. A white precipitate formed. Explain.
A fuel gas containing 75% methane, 15% ethane and 10% propane by volume flows to a furnace at a rate of 1200m^3/hr at 15'C and 200kPa, where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH(standard cubic meters pe..
A gaseous hydrogen and carbon containing compound is decomposed and found to contain 85.63% C and % H by mass. The mass of 258 mL of the gas, measured at STP, was found to be 0.646 g. What is the molecular formula for this compound
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