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basketball with a volume of 3.50 Liters is left in a car when the temperature is 298 K. What will the volume of the ball be as the car heats up to 305 K during the day?
Methane and hydrogen sulfide form when 36g H2 reacts wih carbon disulfide, calculate the percent yield if the actual yield of CH4 is 69.8g.
You have a 100.0- mL graduated cylinder containing 50.0 mL of water. you drop a 115-g piece of brass into the water. To what height does the water rise in the graduated cylinder.
The ion is stabilized due to the delocalization of the positive charge to the aromatic ring. Draw resonance structures that indicate the stability of this ion.
Draw the enantiomer of cis-1-chloro-3-methylcyclopentane which is R at C-1. 1) What is the configuration of this molecule at C-3 (R and S)?
Calculate the concentrations of each of the ions in 0.12 M (NH4)2HPO4. a) [NH4+], M b) [HPO42-], M
Magnesium reacts with iron(III) chloride to form magnesium chloride and iron. 3Mg(s) + 2FeCl3(s) => 3MgCl2(s) + 2Fe(s)
The double-replacement reaction between silver-nitrate and sodium bromide produces silver bromide, a component of photographic film.
A 150 -g sample of water is cooled from 30 degrees C to 15 degrees C, thereby losing approximately 9420 J of heat. What is the change in E in J.
A chemist prepares a sample of hydrogen bromide and finds that it occupies 252 mL at 70C and 464 Torr. What volume would it occupy at 0C at the same pressure.
Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.45.
Draw the most stable conformation of trans-1-isobutyl-4-methylcyclohexane in both the chair conformation and the wedge structure.
A close chemical relative of the banned insecticide DDT is methoxychlor (C16H15Cl3O2). Methoxychlor is currently used as a home insecticide. Calculate the mass percent of oxygen in methoxychlor.
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