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Sketch a cylinder with ten molecules of helium (He) gas. The cylinder has a movable piston. Label this sketch before. Make an after sketch to represent
(a) a decrease in temperature at constant pressure.
(b) a decrease in pressure from 1000 mm Hg to 500 mm Hg at constant temperature.
(c) five molecules of H2 gas added at constant temperature and pressure.
A backpacker wants to carry enough fuel to heat 2.7 of water from 30 to 100.0 . If the fuel he carries produces 36 of heat per gram when it burns, how much fuel should he carry? (For the sake of simplicity, assume that the transfer of heat is 100 ..
The equilibrium constant, Kc, for the following reaction is 1.29E-2 at 600 K: COCl2(g) CO(g) + Cl2(g)
Discuss what you would observe after elution and visualization of a TLC plate having made the following mistakes in carrying out the analysis. Conceptual Organic chemistry
How much HCl gas can be produced at STP by reacting 198 g of NaCl with excess H2SO4?NaCl + H2SO4 ! NaHSO4 + HCl.
Calculate the pH at the equivalence point in a titration between 10.00 mL of acetic acid(0.100 mol/L) and sodium hydroxide (0.100 mol/L).
How many joules of energy are needed to melt 54 grams of ice at its melting point? Assume that the molar heat of fusion of ice is 6 kJ/mol.
Determine what will be the major product expected from chronological treatment of propylbenzene with 1) KMnO 4 , 2) 3)H 3 O + , Cl 2 and FeCl 3 , and iv) Br 2 and FeBr 3 ?
How is the ideal gas law modified to account for the finite volume of molecules? The temperature of the sea bed 60 m below the surface and at the surface are both 20C. A rubber balloon is inflated at the sea bed with 2.0 mole gas neglecting the wo..
What are the equilibrium pressures of N2O4 and NO2 when 0.61 mol of each gas are introduced
Did an experiment williamson ether synthesis with sodium ethoxide and 1-bromobutane forming 1-ethoxybutane and NaBr. The 1H NMR showed an impurity
You dissolve 12.6352 g of potassium iodide in water and bring the volume of solution to 250.0 ml. What is the molar concentration of KI and what volume of 0.0436 molar hydrochloric acid is required to react with 30.0 ml of 0.0278 molar LiOH?
the standard electrode potentials calculate the standard free energy (kJ) for the given reaction.
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