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A battery is constructed based on the oxidation of magnesium and the reduction of Cu^2+. The initial concentrations of Mg^2+ and Cu^2+ are 1.2×10?4M and 1.6M, respectively, in 1.0-liter half-cells.
What is the initial voltage of the battery? V=
What is the voltage of the battery after delivering 4.7A for 8.0hours? V=
How long can the battery deliver 4.7A before going dead? t=
How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees celcius to H2O at the temperature of 25.0 degrees celcius? Express your answers in kilojoules
Each of the insoluble salts below are put into 0.10 M hydrobromic acid solution. Do you expect their solubility to be more, less, or about the same as in a pure water solution
Determine At what temperature does C 6 H 6 boil when the external pressure = 470 torr?
What is the pH at the half-stoichiometric point (that is, what is the pH when you have added 50% of the total volume of base required to react with all of the acid originally present?)
provide reaction mechanisms for the formation of each of these byproducts and specify whether the mechanisms you write are SN1, SN2, E1, E2, or none of these. explain why you would expect bisulfate to be a good leaving group for substitution or eli..
Three gases (8.00 g of methane,CH4 , 18.0 g of ethane, C2H6, and an unknown amount of propane,C3H8) were added to the same 10.0L- container. At 23.0 °C, the total pressure in the container is 4.10 atm. Calculate the partial pressure of each gas in..
The decomposition of SO_2_Cl_2_ is first order in SO_2_Cl_2_ , and the reaction has a half-life of 245 min at 600 K. If you begin with 3.6e-3 mol of SO_2_Cl_2_ in a 1.0-L flask, how long will it take for the sample to decrease to 3.2e-4
How much heat is required to warm 229 g of ice from -47.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Population ratio between two energy levels is 0.98. The space between the energy level is 0.625 meV. What is the system's temperature?
The vapor pressure of mercury is .0127 torr at 50 degrees celcius and .0888 torr at 80 degrees celcius. calculate the enthalpy of vaporization of mercury
How many moles of urea (60. g/mol) must be dissolved in 100. g of water to give a 1.9 molal solution?
An organic liquid is a mixture of methyl alcohol and ethyl alcohol. A 0.220g sample of the liquid is burned in an excess of O2(g) and yields 0.342 g CO2(g). What is the mass of methyl alcohol in the sample?
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