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How do you determine number of rings, double bonds, or triple bonds from degrees of unsaturation? For example a substance C8H8 has 5° degrees of unsaturation, so determine the number of rings and double bonds?
an electron is confined to a linear region with a length of the same orderas the diameter of an atom (about 100 pm)
If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction 2N(g) + 3H2(g) 2NH3(g)
Crime scene investigators keep a wide variety of compounds on hand to help with identifying unknown substances they find in the course of their duties
Write the expression for the equilibrium constant. b. Which way would the reaction shift in each of the following cases?
Calculate Hrxn for the reaction below. Ca(s) + 1/2 O2(g) + CO2(g) CaCO3(s) You are given the following set of reactions. Ca(s) + 1/2 O2(g) CaO(s) H = -635.1 kJ CaCO3(s) CaO(s) + CO2(g) H = 178.3 kJ kJ
If the hydrated cobalt(II) ion complex from Part C were refrigerated, what would be your prediction for the color of the solution
How many moles of gas are there in a 45.0 L container at 25.0 degrees Celcius and 500.0 mm Hg
Lithium iodide has a lattice energy of -7.3 times 10^2 kJmol and a heat of hydration of -793 kj/mol. Find the heat of solution for lithium iodide.
A laboratory procedure calls for making 570.0mL of a 1.6M KNO3 solution. How much KNO3 in grams is needed
a gas sample has a volume of .150 L at a temperature of 256 K. What volume will the gas occupy at 288K?
Classify each of the following solutions as acidic, basic, or neutral. Explain how you reached this conclusion.
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