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A 11.0 g sample of ice at -12.7deg C is mixed with 114.6g of water at 80.0deg C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. The heat capacities of H20(s) and H20 (l) are 2.03 and 4.18 J/g deg C, and the enthalpy of fusion for ice is 6.02 kJ/m.
Calculate the pH of each of the following solutions ( Ka and Kb values are given in Appendix D in the textbook). 0.115 M hydrogen chromate ion (HCrO4^-).
Two carbon atoms are present in the simplest member of which of the following types of hydrocarbon derivatives
which of these solutions has the lowest freezing point?a. 0.25 m naclb. 0.5 m naclc. 1.5 m nacld. 2.0 m
Assume the form ?=Ne^(-ax^2) for the ground-state wavefunction of the harmonic oscillator, and substitute this into the schrodinger equatoin. Find the value of a that makes this an eigenfunction.
one heating 5.03 g of hydrate barium chloride, 4.23 g is left behind. what is the name of this hydrate?
Calculate the freezing point of 0.15 m calcium chloride aqueous solution. Assume that the molal freezing point depression constant of water
Somebody puts an expandable balloon on the opening of the bottle, without any gas escaping. The outside pressure is 1.10atm and the temperature has decreased to 25.8 degree celsius. Calculate the new volume of the gas.
Which of the following best describes a competitive inhibitor, I: A. As [I] increases, there is a decrease in VMAX and an increase in KM,app. B. As [I] increases, there is a decrease in VMAX and an decrease in KM,app
Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion.
Rank the following hydrogen atom transitions in order of increasing energy of light produced ( from lowest energy light produced to highest energy light produced).
Which one of the following compounds is the most acidic. Please explain. a.) 1-Phenylethanol b.) 2-Phenylethanol c.)o-Ethylphenol d.) Ethyl phenyl ether e.) Nitrobenzene
The total heat of hydration of 1 mol of gas Li ions and Cl ions is -865 kJ. The lattice energy of LiCl is 828 kJ/mol. Calculate the heat of solution of LiCl.
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