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A gas at 20 deg C and a pressure of 0.9 atm is contained in a glass vial. the bottle can withstand a pressure of 1.8 atm. What is the maximum temperature that can heat the gas without the bottle bursting?
Explain why the colour of the light emitted by an element in the gaseous state is characteristic of the element & explain with a sketch diagram how a hydrogen atom, which has only one electron, has so many spectral lines.
3-bromo- 1-butene and 1-bromo-2-butene undergo sN1 reaction at nearly the same rate even though one is a secondary halid and the other is primary why
Explain why the H-H distances determined for coordinated dihydrogen by X-ray diffraction are always significantly shorter than
A stock solution is prepared by adding 25 mL of 2.2 M AlCl3 to enough water to make 75 mL. What is the Cl- concentration of 25 mL of the stock solution.
A balloon is inflated to a volume of 8.3 L on a day when the atmospheric pressure is 652 mm Hg. The next day, as a storm front arrives, the atmospheric pressure drops to 620 mm Hg
Assuming no heat loss to the surroundings, calculate the mass of lead and water remaining in the bucket when the materials have reached thermal equilibrium.
A 21.2 g sample of a metal was heated to 61.98 degrees C. When the metal was placed in a constant-pressure calorimeter containing 30.0 g of water, the temperature of the water rose from 24.69 degrees C to 29.27 degrees C. Calculate the specific he..
a 10.0-g sample of ice at -16.0degc is mixed with 105.0 g of water at 76.0degc. calculate the final temperature of the
a gas has the equation of state pvrtatpshow that for a reversible expansion between t1 and t2 at constant pressure p
a mass of mercury occupies .750l. what volume would an equal mass of ethanol occupy if mercurys density is 13.546 gml
The active site of an enzyme can perturb the pKas of amino acid side chains such that they are raised or lowered from what we would expect given the pKa values of the free amino acids.
Problem- Aldol cleavage of which of the following sugars will produce one mole each of dihydroxyacetone and glyceraldehyde
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