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An aqueous solution contains 51.4g of C3H7OH in 127.0g of solution. Explain what is the mole fraction of C3H7OH?
How much heat (in {rm kJ}) is evolved in converting 1.00 mol of steam at 140.0 C to ice at -55.C? The heat capacity of steam is 2.01J/g* C and of ice is 2.09 j/g* C.
Iron(III) oxide reacts with carbon to give iron and carbon monoxide; Fe2O3(s)+3C(s)-->2Fe(s)+3CO(g). a) How many grams of C are required to react with 2.50 mol of Fe2O3
find molarity molality percentage composition boiling and freezing point of a solution.dataelement atomic wt
Depict whether or not a precipitate will form when a solution containing 1x10-2 M Pb2+ ions is added to a 2 x 10-4M solution of I- ions the Ksp of PbI2 is 9.8×10-9
Determine the freezing point of an aqueous solution that is 1,7 m in ethylene glycol. The freezing point depression constant for water is 1.86°C/m The freezing point of pure water is 0.0°C.
Write the total and net ionic equations for the reaction of BaSO4 dissociation, and calculate the trial Ksp for the product formed, when 40 mL of 0.1 M Ba(CH3COO)2 reacts with 60 mL 0.6 M MgSO4 and decide whether a ppt will form
a mixture of caco3 and cao weighing 0.630 g was heated to produce gaseous co2. after heating the remaining solid
Write a net ionic equation for the neutralization reaction of CH3CO2H(aq) with CsOH(aq). 2. Which of the following compounds is an Arrhenius base in water?
How do you think the use of quantitative methods related to these advantages and disadvantages? 2. How do forecast practitioners rank various forecasting models applied to any given problem? Which technique is used most often in practice and why?
Explain how is the pKa of a phenol different than an aliphatic alcohol. Can a phenol be deprotonated by 3 M NaOH, can aphenol be deprotonated by NaHCO3
Write the condensed structure of the primary alcohol (RCH2-OH type) with the general formula C4H10O.
using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00gml 1 calculate
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