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the equilibrium contant kc=49 at 230^0C, for the reaction PCl3 + Cl2= PCL5. If 0.50mol of each of phosphorus trichloride and chlorine are added to a 5.0L reaction vessel, what is the equilibrium composition of the mixture at 230 degrees celcias?
A gas originally occupies 20L at 24.7 psia and 5 C. What would the pressure be if the volume changed to 4.77ft3 and the temperature was 82 F? Give the answer in atmospheres.
The volume of a 24.0g sample of methane gas is 22.8L at 40.0*C and 4.00atm. What will it's volume be at 68.0*C and 4.00atm.
Determine what ventilation rate (minimum) in m3/hr will be essential to keep the carbon monoxide concentration in his garage from the dangerous level of 1600 ppmv? What is your answer in this case?
What is the mass of the solid NH4Cl formed when 73.0 g of NH3 are mixed with an equal mass of HCl? What is the volume of the gas remaining, measured at 14.0° C and 752 mmHg?
for the neutralization reaction involving HCl and Mg(OH)2, how many liters of 0.60 M HCl are needed to react with 45 g of a 2.5 M Mg(OH)2 solution? (density= 1.3 g/mL)
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
for a certain change the value of U is -2.37 kJ. During the change, the system absorbs 650 joules. how much work did the system do.
The volume of a sample of hydrogen is 798mL and it exerts 621mmHg pressure at 5.00C. what volume does it occupy at standard temperature and pressure.
A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.
Calculate the wavelength of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3. (R = 1.096776 × 107 m-1).
compute the energy levels for the rotation perpendicular to its symmetry axis at J=1. T he bond length in the 14NH 3 =101.2 pm and NHN bond angle 106
A system conducts 238 cal of heat to the surroundings while delivering 331 cal of work. what is the change in internal energy of the system (in cal).
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