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converting liquid water to solid ice releases 1.44 kcal/mol.
a)What is the sign of delta H for this process?b)How many kilocalories are released by freezing 2.5 mol of H2O?c)How many kilocalories are released by freezing 32 g of H2O?d) How many kilocalories are absorbed by melting 1 mol of ice?
Draw a sigma only MO diagram for a generic ML6^n- complex. Label all atomic and molecular orbitals with their proper symmetry designations. Which orbitals are nonbonding and why
identify organic compounds in medications. determine the structure of one active component and identify three functional groups on each molecule.
If 7.85 x 10 to the 24th power Sc atoms react with excess CaO, how many grams of each product will form? You will need to determine the equation of the reaction.
A nutritional calorie (Cal) is equal to 1 Kilocalories (Kcal). A package of crackers has 115 nutritional calories
A 45.3 g sample of Al at 95.5 oC is added to 182.7 g of water that is initially at 20.5 oC. The specific heat of Al and water are 0.90 J/(goC) and 4.184 J/(goC), respectively. Calculate the equilibrium temperature.
Proceeds at a certain temperature until the partial pressures of H2O, H2, and O2 reach 0.065 atm, 0.0070 atm, and 0.0040 atm respectively. What is the value of the equilibrium constant at this temperature
Give the structure of the major and minor organic products formed when HBr reacts with (E)-4,4-dimethyl-2-pentene in the presence of peroxides.
Draw all possible mesomeric structures of the carbocationic intermediate in the chlorination of benzoic acid. Explain why m-chlorobenzoic acid is the main product
Solid silicon and solid magnesium chloride forms when silison tetrachloride gas reacts with magnesium metal.
a 54.1 gram sample of an unknown hydrocarbon was burned in an excess of oxygen to form 88.0grams of carbon dioxide and 27.0grams of water. what is a possible molecular formula for the hydrocarbon?
If equal volumes of BaCl2(aq) and NaF(aq) solutions are mixed together, which will NOT give a precipitate (Ksp of BaF2 = 1.7 x 10-7)?
In Denver, the Mile-High City, water boils at 95 C. What in atmospheres in Denver Hvap for H2O is 40.67 kj/mol
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