Chemistry, 27.04.2021 02:20 Maya629277
A. Calculate the Ideal Pressure in atmospheres of 20.0 moles of helium in a 10.0 L cylinder at 273 K. *
90.6 atm
52.3 atm
12 kPa
44.8 atm
Answers: 2
Chemistry, 21.06.2019 17:00
This line graph compares the growth of plants that were kept in the sun for different amounts of time.a) on day 7, the plants kept in the sun for 3 hours were how tall? b) on day 7, the plants kept in the sun for 6 hours were how tall? c) on day 10, the plants kept in the sun for 9 hours were how tall? d) on day 11, the plant that was grown with 1 hour of sunlight was how tall? e) based on the graph, the plant grows best in what amount of sunlight?
Answers: 1
Chemistry, 23.06.2019 08:00
How does nathan’s hypothesis lead to new investigations
Answers: 2
Chemistry, 23.06.2019 18:30
Select the correct answer. which statement best explains the octet rule? a. atoms gain, lose, or share electrons to achieve a full valence shell. b. compounds always consist of eight electrons. c. molecules always consist of eight atoms. d. all atoms require eight electrons to form bonds.
Answers: 2
Chemistry, 24.06.2019 02:20
Carbon tetrachloride, ccl4, was once used as a dry-cleaning solvent, but is no longer used because it is carcinogenic. at 57.8 °c, the vapor pressure of ccl4 is 54.0 kpa, and its enthalpy of vaporization is 33.05 kj/mol. use this information to estimate the normal boiling point for ccl4.
Answers: 3
A. Calculate the Ideal Pressure in atmospheres of 20.0 moles of helium in a 10.0 L cylinder at 273 K...
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