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At 25°C, the vapor pressure of pure benzene is 100.84 torr. Explain what is the vapor pressure of a solution made from dissolving 12.3 g of biphenyl in 31.8 g of benzene
Explain HClO is a weak acid (Ka = 4.0 × 10-8) as well as so the salt NaClO acts as a weak base. Explain what is the pH of a solution that is 0.013 M in NaClO
adrenaline is the hormone that triggers release of extra glucose molecules in times of emergency or stress. a solution
Suppose you take a 25.00 mL sample of this hydrochloric acid solution. You then titrate it with a 0.1477 M sodium hydroxide solution.
A 1.500 g sample of a compound containing only C, H and O was burned completely. The only combustion products were 1.738 g CO2 and 0.711 g H2O. What is the empirical formula of the compound? If the molecular mass of the compound was found to be..
The dissociation of solid silver chloride in water to produce silver ions and chloride ions has an equilibrium constant of 1.8 x10-18. Based on the magnitude of the equilibrium constant, is silver chloride very soluble in water? Explain your answe..
if 9.0L of NO are reacted with excess O2 at STP, what is the volume in liters of the NO2 produced?
Calculate triangle G0 and K for the cell reaction in part A at 298K
question when one mole of solid naoh is dissolved in 1l of solution 44.5kj of heat are released. how much heat is
A solution containting 1.45g of an unknown substance in 26.5g of succinonitrile was found to freeze at 34.4 degrees celcius. what is the molar mass of the unknown substance.
compute the molar mass of the noble gas kryptonkr in a natural sample which is 2.2 80 kr molar mass 79.91 gmol 0.84 78
What is the concentration of a solution (in M) which contains 59.3 g of sucrose (C12H22O11) in 673 mL of solution
a mixture of three gases x y and z is at a total pressure of 7.25 atm. the partial pressure of gas x is 1.84 atm that
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