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The standard enthalpy of formation of BrF3(g) is -79.0 kj/mol. The standard enthalpies for the atomization of Br2(l) and F2(g) are +112 and +79.0 kj/mol of atoms respectively, calculate the average enthalpy of the Br-F bond in BrF3.
what is hte mass in mgs of solute in 737 mL of a solution that contains 6.38 ppm of Pb(NO3)2 and please explain work
at is the pH of this new solution. Assume no volume change after NaOH(s) was added. Molar Mass NaOH= 39.998 g/mol. Answer given was pH = 13.52, What are the steps to get here
Imagine that you took a road trip. Based on the information in the table, what was the average speed of your car
What is the pH of the final solution mixture? KA1=6.2x10^7 KA2=4.4x-^-11
Illustrate with a net ionic equation for each of the following how the pH would increase, decrease, or stay the same with the indicated changes: (b) Adding ammonium nitrate to a solution of ammonium hydroxide
at 900K the following reaction has kp=.345: 2SO2(g)+O2(g)-->2SO3(g) Partial pressures of SO2 is .150 and of O2 is .455. What is the equilibrium partial pressure of SO3?
Isopropyl alcohol, a substance sold as rubbing alcohol, is composed of C, H, and O. Combustion of 0.255 g of isopropyl alcohol produces 0.561 g of CO2 and 0.306 g of H2O. Determine the empirical formula of isopropyl alcohol.
Guesstimate the extent of the dipole moment of H 2 O in Debye units, treating H 2 O as three point charges. suppose the O-H distance = 1.00 A, angle H-O-H =104°. The
What is the gas pressure (in atm) inside a 1.89-L bulb that contains 1.56-g of Ne at a temperature of 21.1 C? Be sure to report the units as atm
If you start with 0.048 M I2 at this temperature, how much will remain after 5.29 s assuming that the iodine atoms do not recombine to form I2 _ M
Calculate the molarity of the solution at the limit of detection if the molecular weight of THC is 315 g/mol
a tire has a volume of 535 cm3 at a temprature of 20 c while in use the temprature of the tire rises to 65 c calculate
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