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The second law of thermodynamics can be stated various different ways. One way is to state there is no such thing as a perpetual motion machine. Define how this statement is equivalent to the statement. The entropy of the universe rises for any spontaneous process.
calculate the form of the zeeman effect which occurs when a homogeneous magnetic field of4.0 t 40 kg is applied to a
1.succinctly introduce the following five environments of the company 9 ptsa.social environment external three
Find the pH during the titration of 20.00 mL of .1000 M butanoic acid CH3CH2CH2COOH (kA = 1.54E-5), with .1000 M NaOh solution after the following additions of titrant. a. 20.40 mL b. 26.00 mL
the inital temperature of the water was 25.2c at equilbrium the temperature of the water and metal was 30.4 degree c.
Explain if this energy were used to vaporize water at 100, Define how many grams of water could be vaporized. The heat of vaporization of water at 100 is 40.7. Presume that the density of water is 1.0 g/mL
What is the limiting reagent? What is the theoretical yield of acetanilide? What is the percent yield if 3.3g of acetanilide is obtained?
Use the oxidation-number method to balance the following net ionic redox equation.
Use the Boltzmann equation to calculate the excited-state and ground-state population ratio for HCl (g*/g0=1) at room temperature (25 oC). The frequency of the absorption from the ground to the excited state is 2885 cm-1. What is the population ra..
if the hindenburg held 2.3x105 meters cubed of hydrogen gas at 25degreees celsius and 1.0 atm what mass of hydrogen was
A mixture of CaCO3 and CaO weighing 0.680 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.489 g.
The pH of a bicarbonate-carbonic acid buffer is 8.50. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).
Will a precipitate form when a solution of sodium acetate and a solution of ammonium sulfate mix and what is the net ionic equation that describes the chemical change. what about for a solution of calcium chloride and a solution of mercury (I) nit..
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