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Depict the hydrogen bonding three water molecules in a drawing
consider the following unbalanced reaction.p4s f2g pf3gwhat mass of f2 is needed to produce 175 g of pf3 if the
Calculate the [OH-] in 0.050 M potassium fluoride, KF The answer choices are: A. 8.3 × 10-7 M B. 4.7 × 10-7 M C. 6.2 × 10-7 M D. 1.4 × 10-6 M E. 2.2 × 10-6 M
The rate of a first-order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant at 520 nm. The reaction occurs in a 1.48- cm sample cell, and the only colored species in the reaction has an extinction coefficient of..
Which of the following ionic compounds will be more soluble in acid solution than in water? Explain your choice/s Determine whether the anions are basic and use Le Chatelier's principle.
Polyethylene is a polymer consisting of only carbon and hydrogen. If 2.300 g of the polymer is burned in oxygen it produces
This strontium isotope is radioactive, with a half-life of 28.1 yr. Calculate how long it will take for 0.890 g of the isotope to be reduced to 0.250 g by decay.
What is the nickel ion concentration in a solution prepared by mixing 451 mL of 0.414 M nickel nitrate with 465 mL of 0.364 M sodium hydroxide?
The equilibrium expression for the reaction: 2C(s) + 2H2O(I) ? CH4(g) + CO2(g) is Keq = [CH4][CO2]. If an equilibrium reaction shifts to the right when the system is cooled, this indicates that the reaction is endothermic
Write the structures of the saytzeff elimination
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
showing how the Gibbs energy (G) changes with increasing pressure at constant entropy? Related equation dT/dP at constant S = V/ Cp
The freezing point of a solution of 1.048 g of an unknown nonelectrolyte dissolved in 36.21 g of benzene is 1.39°C. Pure benzene freezes at 5.48°C and its Kf value is 5.12°C/m. What is the molecular weight of the compound?
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