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Important information about Aldol condensation
a. "Crossed" or "mixed" aldol condensations are practical for synthesis, if one of the aldehydes (or ketones) has no alpha-hydrogen atoms. Explain.
b. In the aldol condensation, why might it be essential that the benzaldehyde contain no benzoic acid?
Application of Avogadro's law - To evaluate the volume of a gas using Avogadro's Law.
The air track carts in the figure are sliding to the right at 1.0 meter per second. Find the speed of the carts.
How much heat does your body lose when 1.8 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 is 44.0 .
The Greenhouse Effect - how the sun's visible light is converted into trapped infra red light and heat, causing the planet to warm up.
a 2.00 kg sample of pure water at 20.0 degree celsius absorbs 3.53 kJ of heat. What is the final temperature of the water?
Consider the following reaction. N2 + 3 H2 → 2 NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?
Important information about Chair Conformation, Circle the least stable conformation as well.
Calcium reacts with iodine z=53. If a sample of the compound formed contains 7.4x10^21 calcium ions, how many iodine ions does it contain.
Water has vapor pressure of 23.8 torr at 25 degrees celsius. Find vapor pressure of water at 40 degrees celsius if delta H of vaporization is 40.7 KJ/mol.
An unknown gas is found to effuse at a rate that is 1.864 times faster than Br2 at the same temperature. What is the identity of the gas.
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.434 grams of iron and 12.2 mL of 0.52M copper(II) sulfate react to form as much product as possible.
Celsius the initial concentration of the three gases are.3M H 2 S,.3H 2 and .150 S 2 you just need to determine the equilibrium concentrations of all these given 3 gases?
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