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How much heat energy is required to raise the temperature of 0.362kg of copper from 23.0 °C to 60.0 °C? The specific heat of copper is 0.0920 cal/(g·°C) .
What mass of Cu is deposited on an automobile trim piece if plating continues for 1.25 h at a current of 3.7 A
The barium salt was found to have two mole of water of hydration per Ba ion and the acid is mono basic. What is molecular weight of anhydrous acid.
Traumatic acid has a distribution coefficient of 5.8 between MtBE and water. If 75 mg of traumatic acid is added to a centrifuge tube containing 3mL of water and 2mL of MtBE, how much traumatic acid would be in each layer after thorough mixing
List the major elemental and molecular components of gasoline. Include their chemical formulas.
the structure of the compound k2o is best described as a cubic closest packed array of oxide ions with the potassium
Explain what is the pH of a solution made by mixing 30.00mL of 0.10 M acetic acid with 30.00mL of 0.10 M KOH? Presume that the volumes of the solutions are additive. Ka = 1.8 x 10-5 for CH3CO2H.
The alcohol (ethyl alcohol/ethanol) content in a 12 oz. bottle of beer is about 5%. The man's weight is 150 lbs and he was drinking over an hour period. State the chemical reaction that took place in the patient's body.
Calculate the values of E for the cell when the following volumes of the Ce^4+ titrant have been added. (Activity coefficients may be ignored as they tend to cancel when calculating concentrations of ratios.
On the bottom of a sea (depth: 10m) a bubble of a mathane gas if formed (diameter, d bottom=1 cm). Explain what is the diameter of the bubble when it reaches at the surface? The seawater temperature is 5 C at the bottom and 25 C on the surface
The density of Hg (l ) is 13.6 g/mL. Compare this heat energy transfer with the amount needed to vaporize 0.500 mL water. See Table 11.2 for the molar enthalpy of vaporization of H2O.
Assume that an incorrectly adjusted lawn mower is operated in a garage such that the combustion reaction in the engine is:
if 32.78 ml of sodium hydroxide solution is needed to neutralize 20.00 ml of 0.2500 m of h2so4aq determine the
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