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How many ounces would 12.30 moles of sulfur hexafluoride weigh?
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
The acid-dissociation constants of phosphoric acid (H3PO4) are Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.2 × 10-13 at 25.0 °C. What is the pH of a 2.5 M aqueous solution of phosphoric acid
The heat of fusion, ?Hfus, of ethanol (C2H5OH) is 4.9 kJ/mol. The heat of sublimation of ethanol, for the process C2H5OH(s) ? C2H5OH(g) , is 43.5 kJ/mol. What is the heat of vaporization of ethanol?
Calculate the pH of the solution that results from each of the following mixtures. a)140.0 mL of 0.26M HF with 230.0mL of 0.32M NaF b)185 mL of 0.12M C2H5NH2 with 265mL of 0.20M C2H5NH3Cl
Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the estimated future atmospheric CO2 concentration of 780 ppm,v.
Calculate the molality of a sucrose (C6H22O11) solution containing 14.3 g of sucrose in 676 g of water
Find the concentration and pH solution - What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?
Calculate the molarity of a 97.12 wt% acetic acid solution given that the solution density is 1.05 g/mL
Predict whether the following solutions will be acidic basic or nearly neutral a) NH4l b) NaNO2 c) FeCl3 d) NH4F, where NH4+ is Ka=5.6 x 10^10; F is Kb= 1.4 x 10^-11
Geologists can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life
consider the following reactionpdos cog pds co2g kc4.0 x 103 at 1000kif a mixture of solid palladiumii oxide and
if 11.2 L of N2 are reacted to form NH3 at STP, how many liters of hydrogen will be required to consume all of the nitrogen
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