Chemistry, 17.12.2020 01:40 martinezlittleman
13.
Nitrogen dioxide is a gas that can be generated by emissions from vehicles and factories. It
can also be generated by natural sources, such as forest fires, lightning, and microblal activity
in soll. The equation for producing nitrogen dioxide is shown below.
2NO
Colorless
O2
Colorless
2N02
Brown
gas
gas
gas
Which of these provides evidence that a chemical reaction occurs?
A A gas is present.
B The total number of atoms remains unchanged.
C The state of matter remains the same.
D A brown gas is produced.
Answers: 2
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 16:30
An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:
Answers: 3
13.
Nitrogen dioxide is a gas that can be generated by emissions from vehicles and factories. It
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