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A 126 piece of metal is heated to 285 and dropped into 83.0 of water at 26. If the final temperature of the water and metal is 58.3, what is the specific heat of the metal ?
I am trying to understand the effects of leachate from landfills and its effects on groundwater, and since I am in environmental health- its effects on the human health.
Determine compound having greater Ksp or compound having smaller Ksp ? compute [Ag + ] when CuI just start to precipitate. What % of Ag + remains in solution at this point?
Determine the energy change associated with these changes in state: a. 138g of steam condenses,b. 261mg of solid mercury melts,c. 8.36g of rubbing alcohol freezes d. 52g of liquid methane boils
If 28mL of 7.0M Sulphuric acid(H2SO4) was spilled, then determine what is the minimum mass of NaHCO3 (Sodium bicarbonate or sodium hydrogen carbonate)
Compute the hydroxide ion concentration in a NH 3 solution that is 0.091 M and 0.028 M NH 4 Cl. Kb of NH 3 is 1.8 x 10 -5 .
4.00g of H2SO4 solution was diluted with H2O and added with excess of cacl2, and The washed and dried precipitate of BaSO4 weighted 4.08g. Calculate percent H2SO4 in the original acid solution.
A balloon 15m in diameter is inflated with helium at 20 degrees Celsius. How much work is done during inflation against an external pressure 1atm.
Determine the new pressure of the gas and express your answer in Pa
Compute the equilibrium partial pressures of Carbon dioxide and CO gases. If equilibrium constant Kp for this reaction =1.52,
Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.
Determine the rate constant also explain how many mg will remain after thirty nine days - A radiation biologist studies the decomposition rate of a certain substance and obtains the given data as
Compute the vapor pressure at 25 °C if it is given that the density of H 2 O=0.9971 g/mL , vapor pressure of H 2 O=23.76 torr, molar mass of sucrose, = 342.3 g/mol,
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