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How many possible arrangements are there for a deck of 52 playing cards? (For simplicity, consider only the order of the cards, not whether they are turned upside-down, etc.) Suppose you start with a sorted deck and shuffle it repeatedly, so that all arrangements become "accessible." How much entropy do you create in the process? Express your answer both as a pure number (neglecting the factor of k) and in SI units. Is this entropy significant compared to the entropy associated with arranging thermal energy among the molecules in the cards?
At a certain temperature, the Kp for the decompositon of H2S is 0.800. H2S(g0 H2(g)+S(g) Initally, only H2S is present at a pressure of 0.239 atm in a closed container. What is the total pressure in the container at equilibrium
We wish to prepare a buffer of pH 10 using common laboratory reagents. How many mL of 6M HCl would we have to add to a solution prepared by adding 100 mL of 15M NH3 to 200 mL of water?
1) Find out the pressure in a 0.34L balloon if the temperature is 35 Celsius as well as the balloon contains 0.0233 mol of an ideal gas 2) Explain what is the temperature of 1.506 x 1022 molecules of hydrogen gas if they occupy 665mL at 715 torr
A 20.0 g piece of copper at 100 Celsius degrees, is placed in a vessel of negligible heat capacity but containing 50.7 g of water at 33.O Celsius degrees. Calculate the final temperature of water.
magnesium has three naturally occurring isotopes 24mgisotopic mass 23.9850 amu abundance 78.99 25mgisotopic mass
A multivitamin tablet contains 40 milligrams of potassium. How many moles of potassium does each tablet contain?
A certain solid metallic element has a density 7.87 g/cm3 and a molar mass of 55.85 g/mol. It crystallizes with a cubic unit cell, with an edge length of 286.7 pm. calculate the number of atoms per unit cell.
A solution contains 410.3 g of H2SO4 per litre of solution . If the density is 1.243 g/ml, what will be its molarity and molality.
If a person is given Benzene, phenol is the chemical found during the elimination process. How does this happen
A buffer with a pH of 4.11 contains 0.29 M of sodium benzoate and 0.36 M of benzoic acid. What is the concentration of [H ] in the solution after the addition of 0.058 mol of HCl to a final volume of 1.6 L
What is the amount of 10.00% acetic acid you would need to add to 100.0 ml of milk in order to bring the final acidity to 1.00% acetic acid
Calculate the quantity of energy produced per gram of reactant for the fusion of two H - 2 (atomic mass = 2.014102 amu) atoms to form He-3 (atomic mass = 3.016029 amu) and one neutron.
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