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Two simple systems with constant V and N are brought into thermal contact. System 1 has a specific heat
\(C_{V} = C\)and an intitial temperature of\(T_{0}\)while system 2 has a specific heat\(C_{V}= 2C\)and an initial temperature of\(3T_{0}\). Assume that 1) the composite system forms a closed, isolated system; 2) the specific heats of both systems are temperature independent; 3) the process is quasistatic. Determine the following:
a) the final temperature of each system.
b) the change in energy of each system and also of the composite system.
c) the change in entropy of each system an also of the composite system.
Standard potentials measured against the standard hydrogen electrode, Standard potentials are measured against the standard hydrogen electrode (S.H.E.). Because it is not always convenient to use a S.H.E
In an oxidation-reduction reaction, it required 25.6 ml of a 0.65 M potassium permanganate solution to reach the equivalence point with 15.0 mL of an iron(II) sulfate solution.
A copper wire (density = 8.96 g/cm3) has a diameter of 0.26 mm. If a sample of this copper wire has a mass of 43 g, how long is the wire?
To make a 325 mL solution of 0.150 M NaCl, how many grams of NaCl need to be weighed out?
At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g)
A sample of nitrogen gas in a 4.7-L container at a temperature of 28°C exerts a pressure of 3.6 atm. Calculate the number of moles of gas in the sample.
A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees C. it decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test, Treatment of Compound A with ozone, followed by hydrolysis in the ..
A mixture of CaCO3 and CaO weighing 0.665 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.500 g.
Chemistry Concentrations, In each of the following pairs, indicate which has the higher concentration of Cl- ion
All ammonium compounds, that comprise the ammonium ion (NH4+) and negative ion, are thermally unstable. Explain two ways that ammonium compounds decompose when they are heated.
The average concentration of calcium ion in seawater is 412 mg of calcium ion per kg of seawater. What is the molarity of the calcium ion if the density of the seawater is 1.025 g/mL?
A mole of photons in the blue visible region of the electromagnetic spectrum has an energy of 2.54 × 10 2 kJ/mol, calculate the frequency in s-1 of the photon.
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