Chemistry, 20.09.2019 06:00 kamilagreyes9
Consider the following reaction: ab(s)⇌a(g)+b(g) . at equilibrium, a 10.9 l container at 650 k contains a(g) at a pressure of 0.126 atm and b(g) at a pressure of 0.23 atm. the container is then compressed to half of its original volume. what is the pressure of b(g) after the reaction reattains equilibrium? express your answer numerically in atm.
Answers: 3
Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
Answers: 2
Chemistry, 21.06.2019 23:00
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
Answers: 1
Chemistry, 22.06.2019 12:30
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
Answers: 1
Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
Consider the following reaction: ab(s)⇌a(g)+b(g) . at equilibrium, a 10.9 l container at 650 k cont...
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