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A sample of NH3 gas that takes place a volume of 23.0 L at 10.0oC is heated at constant pressure until it fills a container with a volume of 50.0 L. What is the final temperature in oC for this gas?
1.-143oC2. 21.7oC
3.130oC
4.342oC
5. 615oc
If 26.95 mL of a standard 0.1650 M NaOH solution is required to neutralize 37.17 mL of H2SO4, what is the molarity of the acid solution
What is the theoretical yeild of sodium carbonate for the equation: 2NaHCO3(s)--> Na2CO3(aq) + H2O(g) + CO2(g)
SbCl3(s)+H2O(l) -> SbOCl(s)+2HCl(g) In this reaction what is the percentage of Cl in SbOCl and in 2HCl
The following label was found on a bottle of liquid hydrocarbons in the laboratory of Dr. Ima Turkey following his disappearance under mysterious circumstances. Although the name defines a structure unambiguously
Determine the sign of ΔS sys and ΔS surr for each chemical reaction.2CO(g)+O 2 (g)?2CO 2 (g)ΔH ° rxn = -566.0 kJ. Choose from:
The temperature of the calorimeter rose from 25C to 33.73C. If the heat capacity of the calorimeter was 9,630 J/C, what is the value of delta H for the combustion reaction in KJ/mol.
What is the barium ion concentration in a saturated barium fluoride solution made by adding solid BaF2 until no more dissolved
Nitrosyl bromide, NOBr, is 34 percent dissociated at 25 deg. C and the total pressure is 0.25 atm. Calculate kp and kc for the dissociation.
A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 268 {rm torr}. Pure pentane and hexane have vapor pressures of 425 {rm torr} and 151 {rm torr}, respectively, at room temperature. What i..
An air bubble initially trapped in the tip of the buret containing the standard NAOH disappears during the titration , how will this affect the reported number of moles in the unknown acid ?
Solid iron reacts with chlorine gas to produce iron(III) chloride. If 10.0 grams of iron reacts with excess chlorine gas and 18.5 grams of iron(III) chloride is produced
A compound is 40% C 6.70% H and 53.3% O by mass. the molecular formula of this compound is 60 amu, what are the subscripts of C, H, O
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