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Cyclopropane has significantly less angle strain than cyclopropane, yet is only slightly lower in energy. How can this be true? How does this information relate to the fact that cyclobutane is not a planar molecule, but has one carbon bent about 25 degrees out of the planar of the other three
Tf will be negative and so you must use negative Kf values. Either way, the freezing point of the solution should be lower than that of the pure solvent. Assuming 100% dissociation, Find the freezing and boiling points of 1.85 m Na2SO4(aq).
What effect on the boiling point of a liquid is produced by: a) The presence of a soluble non-volatile impurity?
If the molar mass is 88 g/mol and the percent composition is 54.5% carbon, 9.15% hydrogen and 36.3% oxygen, what is the molecular formula of dioxane?
A gas has a volume of 4.00 L at 0 degrees C. What final temperature, in degrees C, is needed to cause the volume of the gas to change to the following, if "n" and "P" are not changed? a) 100. L; b) 1200 mL; c) 250 L; d) 50.0 mL.
Given the following data H Cl bond enthalpy = +431 kJ/mol, ?Hf HCl(g) = -92.31 kJ/mol
how many moles of ammonia are produced? How many moles of H2 remain? How many Moles of N2 remain? What is the limiting reactant?
What volume of 0.150M HClO4 solution is needed to neutralize 45.00mL of 8.80×10^-2 M NaOH?
In the transition metals (the d-block), the electron configuration of cations is different than what you might expect. Instead of the d electrons being lost first, s electrons are lost first.
When optically active B was treated with CrO3 in pyridine, an optically inactive sample of A was obtained. Heating A with hydrazine in base gave hydrocarbon C, which, when heated with alkaline KMnO4, gave carboxylic acid D. Identify compounds A, B..
If 69. J of heat are applied to 20. g of aluminum, by how much will the temperature of the aluminum increase? (The specific heat capacity of Al (s) is 0.89 J/(g °C).)
A is allowed to come in contact with substance B. B has a mass of 46.28 grams and its initial temperature is 86.5oC. These two substances reach thermal equilibrium at a temperature of 64.2oC. If the specific heat capacity of substance B is 1.17 J/..
The mass of a cube of gold with one side measuring 150. cm is ______ kg. The density of gold is 19.32 g/cm3
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