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A 23.0 gram sample of an alloy was heated to 100.00 C and dropped into a beaker containing 92 grams of water at 25.26 C. The temperature of the water rose t oa final temperature of 27.84 C. Neglecting heat loss to the room and the heat capacity of the beaker itself, what is the specific heat of the alloy?
When 24 mL of a 175 mL stock solution containing 1.6 M BaF2 is diluted to 70 mL, what is the concentration of Ba2+ in the new solution?
If it takes 66.8 min for the concentration of a reactant to drop to 20.0% of its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1?
Calculate the electrostatic energy of the system and compare this energy to the Hydrogen atom in its ground state.
The mass of a cube of iron is 324 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Calculate the heat evolved when 306 g of white phosphorus (P4) burns in air according to the equation below.
Describe how you would prepare 500mL of a single solution containing 250mM Tris, 50mM glucose, and 5mM NaCl.
At 373 K, Keq = 2.39 for the following reaction: SO2Cl2(g) = SO2(g) + Cl2(g) In an equilibrium mixture of the three gases, the partial pressures of SO2Cl2 and SO2 are 3.31 atm and 1.59 atm, respectively.
Determine the rate constant for the reaction at the temperature of 75 degree celsius?
Analyzing a new reaction Consider the following elementary steps that make up the mechanism of a certain reaction: 2X -> Y + Z Y + L -> M + Z Part A What is the overall reaction
what is the strongest intermolecular force in a liquid containing molecules
determine the concentration of O3 in air sample (in ppm)If 10,000 Litres of air bubbled through iodide solution and back titrated with 19.4 mL of a 1.2x10-4 M Sodium thiosulfate, also spelled sodium thiosulphate solution to reach equivalence,?
How many milliliters of 6 M HNO3 would you add to 300 mL of the buffers solution to change the pH from 5.09 to 5.03?
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