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Question: Consider the following table of measurements of pressure vs. volume for air in a closed volume at room temperature,
a. Show that these data obey Boyle's law.
b. How many molecules are there in this volume? Show how you got your answer.
c. What is the rms velocity of the oxygen molecules in this sample of air? Explain how you got your answer.
d. If the temperature is increased by 15%, by how much does the rms velocity of the oxygen molecules change? Explain.
Identify the element of Period 2 which has the following successive ionization energies, in kJ/mol. IE1: 1314, IE2: 3389, IE3: 5298, IE4: 7471, IE5: 10992, IE6: 13329, IE7: 71345, IE8: 84087.
which of the responses includes all of the following that can form hydrogen bonds with water molecules
The normal boiling point of ethanol is 78.3 deg C and its molar enthalpy of vaporization is 38.56 Kj/mol. what is the change in entropy in the system in J/k when 97.2 grams of ethanol at 1 atm condenses to a liquid at the normal boiling point
After mixing 2.00g of H2S with 2.00g of NaOH, a 92.0% yield of sodium sulfide is obtained. Calculate the experimental yield in grams obtained in that reaction.
Write a Lewis structure for each atom or ion. Draw the particle by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons and nonbonding electrons.
Find the concentration of Pb2 in 0.10 M KI saturated with PbI2. Include activity coefficients in your solubility-product expression.
An ionic compound forms when calcium (Z = 20) reacts with iodine (Z = 53). If a sample of the compound contains 1.20 1019 calcium ions, how many iodide ions does it contain?
Show that the Slater determinant formalism automatically incorporates the Pauli exclusion principle by evaluating the He ground-state wave function of Equation 10.8, giving both electrons the same quantum numbers.
p-Dichloobenzene (PDCB) is replacing naphthalene as the active ingredient in mothballs. Calculate the value of K sub f for camphor if a 0.289 m solution of PDCB in camphor decreases the freezing point pf camphor by 11 degrees celsius.
can you find out the name and formula of the unknown compound and determine the identity of the element?
C5H12, 10.0 g hexane, C6H14 and 10.0 g benzene, C6H6. What is the mole fraction of hexane?
how much limestone must be decomposed by heating to produce 250.0 grams of lime cao?assuming that the limestone
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