Chemistry, 15.09.2021 14:30 sevaramirabell
Which is a correct comparison between the modern quantum model and John Dalton’s model of the atom?
A)The modern model is not as widely accepted by scientists as Dalton’s model.
B)The modern model states that atoms of all elements are identical, whereas Dalton’s model does not.
C)The modern model recognizes particles in the atom, whereas Dalton’s model does not.
D)The modern model does not explain emission spectra, whereas Dalton’s model does.
Answers: 1
Chemistry, 22.06.2019 03:50
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 14:00
Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
Answers: 1
Chemistry, 22.06.2019 15:00
How is the shape of the poem “peer” connected to its meaning?
Answers: 2
Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Which is a correct comparison between the modern quantum model and John Dalton’s model of the atom?...
History, 06.11.2020 21:10
Computers and Technology, 06.11.2020 21:10
Chemistry, 06.11.2020 21:10
Geography, 06.11.2020 21:10
English, 06.11.2020 21:10
Mathematics, 06.11.2020 21:10
Biology, 06.11.2020 21:10
Mathematics, 06.11.2020 21:10
Mathematics, 06.11.2020 21:10