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How hot will a 2.3 L balloon have to get to expand to a volume of 400 L? Assume that the initial temperature of the balloon is 25 degrees Celcius.
What volume of O2 at 988 mm Hg and 33 degrees celcius is required to synthesize 19.5 moles of NO2.
Calculate the pH of a solution when 0.200 moles of solid NaOH is added to 2.00 liter of 0.250 M HCl. Assume no change in volume.
Draw a molecular orbital picture for the pi system of each reagent in the [3+2] cycloaddition reaction of ozone with an alkene. Be sure to label the homo and lumo of each.
A spherical water tank of radius R=4m is emptied through a small circular hole of radius r=.02m at the bottom. The top of the tank is open to the atmosphere. The instaneous water level h in the tank can be determined from the solution of the follo..
Calculate the downward pressure in pascals due to gravity exerted by the bottom face of a 3.25kg cube of iron that is 7.50 cm
Atomic absorption spectrometry was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream
A sample containing 0.00200 mol sample of Ca(OH)2 requires 10.00 mL of aqueous HCl for neutralization according to the reaction:
If 1 gallon of paint can cover a square room and ceiling with walls that are 9.36 feet high and 9.36 long, what is the thickness of the paint (in micrometers)?
Explain your reasoning for each by writing a balanced net ionic equation to describe its behavior in water.
In what region of the electromagnetic spectrum wil the electron transitions from a higher energy state to n1=3 appear for the hydrogen spectrum?
In an experiment, at this temperature, 1.10 mol of H2 and 1.10 mol of F2 are introduced into a 1.08-L flask and allowed to react. At equilibrium, all species remain in the gas phase.
calculate the gasphase proton affinity of NH3. The lattice energy of NH4Cl may be estimated from Kapustinskii's formula using rN-Cl = 3.50 Å.
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