What is the third most abundant gas in the atmosphere?
a. nitrogen
c. argon
b. he...
Chemistry, 07.11.2019 16:31 angelapegues20097
What is the third most abundant gas in the atmosphere?
a. nitrogen
c. argon
b. helium
d. oxygen
Answers: 2
Chemistry, 21.06.2019 16:30
Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.
Answers: 3
Chemistry, 22.06.2019 12:10
Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 17:00
What is the approximate vapor pressure when the gas condenses at 70 degrees celsius
Answers: 2
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