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masre man
Questions and answers by visitors named
masre man
Questions (8)
Two planes leave an airport flying at the same rate.If the first plane flies 1.5 hours longer than the second plane and travels
9 answers
3,053 views
calculate the energies of the states of the hydrogen atom with n=2 and n=3, and calculate the wavelength of the photon emitted
2 answers
1,186 views
what is the wavelength of a photon emitted during a transition from the initial state(ni)=5 state to the final state(nf)=2 state
2 answers
868 views
If A and B are vectors such that
A+3B=-3+j & A-B=i-2j then find A&B?
4 answers
533 views
How much energy, in kilojoules per mole, is released when an electron makes a transition from n=5 to n=2 in an hydrogen atom? Is
9 answers
2,366 views
Calculate the energy required for the ionization of an electron from the ground state of the hydrogen atom.
1 answer
390 views
Although my ring is of little______,it is precious to me as it was my mother's.
3 answers
443 views
In each of the following ionic compounds identify the main group to which X belongs:
A. XF2 B. MgX C. X2O3 D. Na2X
2 answers
529 views
Answers (7)
Hexane is an extraction solvent. formula C6H14 and Benzene is used as an industrial solvent. formula C6H6
are you sure
h devided by 3 & 34 divided by 1.7 h/3 = 34/1.7 next cross 3x34/1.7 h=60 feet
h devided by 3 & 34 divided by 1.7 h/3=34/1.7 3x34/1.7 h=60 feet
excuse me * this symbols star
* this symbols multiply
rate=distance/time 2700/*=2025/y 2700/*=2025/*-1.5, *diferent from 0,1.5 *=6hrs & y=4.5hrs
