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It takes 51.0j to raise the temperature of an 11.4g piece of unknown metal from 13.0c to 25.0c. What is the specific heat for the metal?
Calculate the electrical work done buy a dry cell in 1.00 H if it produces a steady current of 0.70 A at 1.5 V. Answer expressed in jeules.
a solution is made from mixing compounds A, mole fraction 0.5833, and B mole fraction 0.417. the vapor pressure of A at 55c is 95 mmHg and the vapor pressure of B at the same temperature is 42 mmHg
the ground water in pherric new mexico contains 1.80 mgl of iron as fe3. what ph is required to precipitate all but
what mass in grams of adipic acid C4H8(COOH)2 will neutralize 28.2 ml of .188 M NaOH at the phenolphthalien endpoint? (adipic acid is diprotic)
Calculate the concentration of an aqueous solution of Ca(OH2)that has a pH of 12.57? Express your answer using two significant figures.
how much heat in kj would be required to vaporize 1.00 L of diethyl ether (C4H10O), density is 0.714g/mL at 298 K, if the enthalpy of vaporization at this temperature is 26.0 kj/mol?
Find the number of moles of water that can be formed if you have 218 of hydrogen gas and 104 of oxygen gas. Express your answer with the appropriate units.
Two seperate samples of argon gas are held seperate chambers connected with a valve in the middle. Chamber A has a bolume of 2.00 L, and contains 120 g of Ar at 650 K
Write a detailed mechanism for a) the Fischer esterification of acetic acid with ethanol in the presence of sulfuric acid and b) the reaction of acetyl chloride with ethanol.
Assume that the specific heat of the substance at P=25 bar is temperature independent and equal to c_p=4.20 kJ/kg*K. Sketch the P-v and T-s diagrams of the cycle.
Constant external pressure of3.00 atm, followed by2) against a constant external pressure of 2.00 atm. Calculate q and w. (101.33 J = 1 L atm)
During an experiment, a student adds .339 g of calcium metal to 100.0 mL of 2.05 M HCl. The student observes a temperature increase of 11.0 °C for the solution. Assuming the solution\'s final volume is 100.0 mL,
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