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Depict cis-1,3-dimethylcyclohexane in its minimum energy conformation. Is this more stable or less stable thantrans-1, 3-dimethylcyclohexane in its minimum energy conformation? Indicate the interactions that you expect to most stoutly affect he relative stabilities of the two molecules.
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: A 5.50-g sample of \rm CaO is reacted with 5.31 g of H_2O. How many grams of water remains after completion of reaction
At 29 C the average rate is 3.3 flashes every 10 seconds;at 23 C the average rate falls to 2.7 flashes every 10 seconds. Calculate the activation energy for flashing process.
Why don't we observe the deBroglie wavelength of everyday macroscopic objects (such as a moving car or a thrown baseball)? The wavelength is too small relative to the size of macroscopic objects to be observed.
An unknown metal M reacts with Oxygen to give the metal oxide MO2. Identify the metal based on the following information.
The entropy increase after mixing 2 moles of oxygen 1 mole of nitrogen, which were prepared at the same pressure and temperature, is (in J/K). (Pretend oxygen and nitrogen are ideal gases)
Assuming no loss of water and that the vessel has a heat capacity of 10.0 J/K What is the final temperature of the system? (specific heat capacity - c of copper = 0.387J/g•K)
Suppose that for the precipitation of the stock solution of borzac, the solid borax reagent is contaminated with a water-souble substance that does not eact with HCl.
upon decomposition one sample of magnesium fluoride produced 1.65 of magnesium and 2.57 of fluorine. a second sample
Explain while X rays of wavelength 0.093 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2°. Explain what is the distance between the layers of atoms responsible for the diffraction
Derive the relationship between the total energy and the molecular partition function for indistinguishable particles.
What are the major products of reaction of each of the following with (i) propanal and (ii) propanone. (a) LiAlH4 / THF then acidic workup (b) PhMgBr then acidic workup
a buffer solution contains 0.17 mol of propionic acid and 0.24 mol of sodium propionate in 1.50 l. what is the ph of
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