Chemistry, 29.07.2019 02:00, sierravick123owr441
What volume would 8.0g helium gas occupy at 0.0 c and 1.0 atm? how many moles of gas molecules would you expect to find in a 2.0-l bottle of air at 0.0 c and 1.0 atm? what would be the mass of gas inside a 3.0-l balloon at 0 c and 1.0 atm filled with a. he(g)? b. co2(g)? c. ch4(g)? how many moles of oxygen gas would be present in a 1.0-ml gas sample at 0.0 c and 1.0 atm?
Answers: 1
Chemistry, 21.06.2019 23:20, anggar20
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Chemistry, 22.06.2019 20:00, rafaelasoareschagas7
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
Answers: 3
What volume would 8.0g helium gas occupy at 0.0 c and 1.0 atm? how many moles of gas molecules woul...
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