What is the molar mass of the unknown acid
331 mg of an unknown acid was titrated with 0.110 M sodium hydroxide. The equivalence point is at 25.00 mL. What is the molar mass of the unknown acid?
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An electric dipole consists of charges +2e and -2e separated by 0.65 nm. It is in an electric field of strength 3.10 x 106 N/C. Calculate the magnitude of the torque on the dipole when the dipole moment has the following orientations.
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A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 10 A, and that of the vacuum cleaner is 4.0 A. (a) Determine the power consumed by the blow-dryer.
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A 5.00g sample of liquid water at 25.0degree C is heated by adding 84.0J of energy. The specific heat of water is 4.28J/g*K. What is the final temp of the water in degree C?
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