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A 32.0 iron rod, initially at 22.0C, is submerged into an unknown mass of water at 63.7C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4C.
What is the MASS of the water?
Express your answer to two significant figures and include appropriate units
The sample is placed in a drying dish (weight = 0.5000 g before the sample is added), and then placed in an oven at 104°C until all the moisture is evaporated
a battery has a volume of 1.78l and contains 3.28x10^3 grams of sulfuric acid, what is the density of sulfuric acid in g/ml?
two solutions, a 0.1% (m/v) albumin solution and a 2% (m/v) albumin solution, are seperated by a semipermeable membrane. (Albumin is a colloid)
At a particular temperature , 35.0% of ClO2 molecules have speeds exceeding 400 m/s. If ClO2 is decomposed to Cl2 and O2 and the resulting mixture is cooled until the original temperature of the ClO2 is reached
Compare the pH vs volume curve for HCL and acetic acid. discuss any difference in the shape of the curves. Compare theese two curves to one of the curves prepared for the unknow
NO is produced in the atmosphere at moderately low partial pressure by high temperature combustion. What is its fate as cooling occurs? To help address the question, calculate the equilibrium constant at 298 K and 1300 K for each reaction
he worked up the reaction and isolated 2.4 g of MnCl2. What was his percent yield?
the triangleG and triangleG0! both refer to the free energy change in the steady state reaction. steady state means that the concentrations of substrates and products are fixed or constant. all of the following statements about triangleG and trian..
Explain this different physical state behavior in terms of chemical structure and secondary intermolecular bonding.
A piece of a newly synthesized material of mass 25.0 g at 80.0C is placed in a calorimeter containing 100.0 g of water at 20.0C. If the final temperature of the system is 24.0C, what is the specific heat capacity of this material?
Calculate the energy emitted by an electron when it drops from energy level 4 down
what Kelvin temperature will the vapor pressure be 3.50 times higher than it was at 361 K?
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