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The specific heat of iron metal is 0.450 J/g-K. How many J of heat are necessary to raise the temperature of a 1.05-kg block of iron from 25.0 Celcius to 88.5 Celcius?
According to Boyle's law, for a fixed quantity of gas at a given temperature, what quantity relating pressure and volume is constant
A thief plans to steal a gold sphere with a radius of 30.0 cm from a museum. If the gold has a density of 19.3 g/cm^3, what is the mass of the sphere?
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.519 grams of iron and 21.0 mL of 0.590M copper(II) sulfate react to form as much product as possible, how many millimoles (mmol) of the non-limiting reactant will remain unuse..
a monoprotic acid with a solution of sodium hydroxide of known concentration, what quantities are equal at the equivalence point
Ammonia is used for refrigeration. the heat of vaporization of ammonia is 23.35kJ/,mol. How many grams of ammonia would have tovaporize toofreeze one tray of ice cubes
A 15.0 ml sample of nitric acid solution is titrated with a 0.960 M barium hydroxide until the end point. Based on the titration data, the concentration of nitric acid is determined to be 3.18 M. Calculate the volume in milliliters of barium hydro..
If there is no such evidence, then we have no reason to believe in witches. If there is evidence, we do have reason to believe in witches. There is no such evidence. Therefore we have no reasons to believe in witches.
Determine the capacity of this buffer solution for resisting pH change when acid is added. Assume the volume does not change
What is the concentration of dissolved O2 in blood (or water) at this partial pressure and a normal body temperature of 37C? The solubility of O2 in water at 37C and 1atm partial pressure is 1.93x10^-3 mol/L?
Explain why water-soluble oils of low volatility are not typically isolated by steam distillation.
A compound consist of 40.00% carbon, 6.71% hydrogen and 53.29% oxygen and has a molecular mass of 180+- 1g/mole. Determine the empirical and molecular formulas of the compound.
At what total pressure of bismuth vapor is the partial pressure of Bi(g) just twice that of Bi2(g) at 1000 K? How many phases are present in the system for this situation?
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