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If 50.00mL of propylene glycol ( C3H8O2) has a mass of 51.80 grams, determine its density. To obtain the same antifreeze protection needs seventy six grams C3H8O2( propylene glycol) to substitute sixty two grams of C2H6O2 (ethylene glycol). Determine the mass of propylene glycol neded to substitute one gallon of ethylene glycol and also find out the volume of propylene glycol, required to get the same antifreeze protection as one gallon of ethylene glycol.express your answer in gallons?
Determine how many grams of copper sulphate are there in 219 grams of an aqeous solution that is 20.2% by weight of copper sulphate?
Compute w when 181 grams of iron (III) oxide (MM = 159.7 g/mol) combines with excess carbon(C)) to produce carbon dioxide(CO 2 ) gas at 359 K: express your answer in kilo joules
I need assistance with a project concerning demographic transition, which is little confusing to me. I am really concerned with this class as I have a failing grade
Calculate the Mn of the polyisobutene if A 7.5g polymer sample found to discolor 3.4 mL of a 0.05 M solution of Br in CCl4 ?
While 1.22 g of a white solid, supposed of being pure cocaine, a molecular compound, is dissolved in 15.60 g of C6H6 the freezing point is lowered by 1.32 ¬0C. Compute the molar mass of the solid. Kf value for benzene = 5.12C/m.
Determine the extent of reaction and amounts of B & Z and A reaction having time independent stoichiometry follows the equation
Calculate the molecular weight of the compound? Given that Kf=1.86 and the compound in not ionic.
What is the best and easy way to determine the frequency (in hz) of the interacting photon. A photon interacts with a ground state electron in a hydrogen atom and is absorbed.
what do you think Does it mean that their properties also differ from a classical model of matter?
Determine ΔG for this reaction When A is full into a cylinder at a pressure of 9.89 atm and the system is permitted to come to equilibrium, the final pressure was 15.94 atm.? Express your answer in units of kJ/mol
Calculate kc for the reversible reaction and determine what is the activation energy
Calculate the pressure when temperature is increased to 383 0C and volume of container keeps constant?
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