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Calculate the amount of water required to reduce the temperature of the following samples of metal. Assume that you can use as much water (at 4 ?) as required.
A cube of 25 lb of aluminum, from 700 ? to 38 ?.
Calculating Volume, Pressure & Density, Calculate the density, in g/L, of SO2 at 75°C and 1.33 bar. (Round your answer to two decimal places)
If 1.50g (NH4)2SO4 is dissolved in enough water to form 250 ml of solution, what is the molarity of the solution.
Suppose that 5193.0 J of heat energy is added to 7 g of ice initially at -10 C. (This could be done, for example, by electrical heating of ice in an insulated container.) What is the final temperature of the water
The acid solution gives no precipitate when treated with 0.1 M AgNO3. Identify the components of the solid. EXPLAIN.
calculate the empirical formula for a chemical compound which gives the following analysis 12.6 percent lithium 29.2
Draw CI by placing atoms on the grid and connecting them with bonds. Do not identify the charge on each of these species. Include all lone pairs of electron.
A voltaic cell with Mn/Mn2+ and Cd/Cd2+ half-cells has the following initial concentrations: [Mn2+] = 0.090M and [Cd2+] = 0.060M. What is the equilibrium concentration of Cd2+
determine volume it would have if it reaches an altitude where the temperature = -33 0C , pressure = 0.65 atm?
Compute the activities and activity coefficients of both components in this solution on the Raoult's law basis. Explain the vapor pressures of the pure components at this temperature
Compute the moment of inertia of the molecule in kg m 2 . And also determine the greatest wavelength of the radiation that can excite the molecule into rotation.
Calculate the change in enthalpy of reaction for two moles of CO(g) reacting with one mole of O2 (g) to form CO2(g). The molar heats of formation for each of these gases are CO -110.5 KJ/mol,
which anions generally form precipitates? what are exceptions? which anions generally do not form precipitates? what
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