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An ice cube of mass 8.5g is added to a cup of coffee, whose temperature is 95 degrees Celcius and which contains 120 g of liquid. Presume the specific heat capacity of coffee is the same as that of water. Define the heat of fusion of the ice the heat associated with ice melting is 6.0 kJ/mol. Determine the temperature of the coffee after the ice melts.
Balance the following redox equation in acidic solution: As + ClO3- => H3AsO3 + HClO. The sum of the coefficients of all reactants and products in the correctly balanced equation is equal to what number
How would you determine whether you have really neutralized the solution after the addition of NaOH
what polymer is made from the monomer vinylidene chloride
Which of the following acids (listed with pKa values) and their conjugate base would form a buffer with a pH of 8.10
You need to prepare 100.0 mL of of buffer solution of pH=4.00 using 0.10M benzoic acid (pKa=4.20) and 0.160M sodium benzoate. What is the volume of each solution needed to prepare this buffer?
In the formation of the glyptal resin, when the reaction appears to boil, what substance is actually boiling off. What is the purpose of the NaOH in the nylon experiment
A 1.000 gram sample of an alcohol was burned in oxygen to poduce 1.913g of CO2 and 1.174g of H2O. The alcohol contained only C,H, and O. What is the simplest formula of the alcohol
Which compound remains in the ether and which compound moves to the aqueous NaOH? Provide the chemical reaction that occurred when NaOH was added. Show all lone pair electrons and formal charges. Clearly indicate the difference between an ionic bo..
What is the certainty in the position of an electron moving at 9.00x10^6 m/s. With an uncertainty of v=0.01x10^6 m/s
1. a explain what is meant by the terms hydrostatic pressure and hydrodynamic pressure?b which of these terms can be
the three naturally occurring isotopic forms of k are 39k 38.963707u 40k 39.363999 u and 41k. the percentage natural
Calculate delta H in kilojoules for the reaction, assuming that the heat capacity of the calorimeter is 776J/C , that the specific heat of the final solution is the same as that of water [(4.18 J/(gxC) ], and that the density of the solution is 1...
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