question archive Explain why the pressure exerted by a gas does not depend on the type of the gas
Explain why the pressure exerted by a gas does not depend on the type of the gas
Subject:ChemistryPrice: Bought3
Explain why the pressure exerted by a gas does not depend on the type of the gas.
Explain why it takes longer to hard boil an egg at high altitudes than at sea level.
A gas has a volume of 590 mL at a temperature of -55.0 degrees celsius. What volume will the gas occupy at 30.0 degrees Celsius?
Explain how pumping air into a bicycle tire increases the pressure within the tire.
What is the percentage of water in the hydrate CoCldownarrow 2 times 6Hdown20?
Solutions, Acids, and Bases Unit Test:
Calculate the hydrogen ion concentration [H+] for the aqueous solution in which [OH-] is 1 x 10^-11mol/L.
Calculate the acid dissociation constant of a weak monoprotic acid if a 0.5M solution of this acid gives a hydrogen ion concentration of 0.00 1M? Show your work. Hint: Monoprotic means containing one proton.
Compare and contrast the properties of acids and bases. Include two similarities and two differences.
Heat, Energy, and Reactions:
A 55.0-g piece of copper wire is heated, and the temperature of the wire changes from 19.0 degrees celsius to 86.0 degrees celsius. The amount of heat absorbed is 343 cal. What is the specific heat of copper? Show your work.
Explain the difference between temperature and heat. Also, state what determines the direction of heat transfer.
Electrochemistry:
Explain how to identify the reducing agent in a reaction of magnesium with oxygen.
Describe how a fuel cell works.
Give the sign of the electrodes and the reaction that occurs at each for both voltaic and electrolytic cells.
Organic chemistry:
Describe in your own words what the difference is between unsaturated and saturated hydrocarbons. What is a saturated compound saturated with?
Why is burning coal a major source of pollution?
Explain what occurs in a substitution reaction and give an example of substitution reaction. Explain why organic reactions are typically slower than inorganic reactions.
Nuclear Chemistry:
The radioisotope radon-222 has a half-life of 3.8 days. How much of a 73.9 -g sample of radon-222 would be left after approximately 23 days?
Chemistry:
What is the percentage of water in the hydrate CoCldownarrow2 times 6Hdownarrow20? Show your work.
