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masre man
Questions (8)
In each of the following ionic compounds identify the main group to which X belongs:
A. XF2 B. MgX C. X2O3 D. Na2X
0 answers
589 views
Although my ring is of little______,it is precious to me as it was my mother's.
2 answers
502 views
Calculate the energy required for the ionization of an electron from the ground state of the hydrogen atom.
1 answer
460 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
8 answers
2,470 views
If A and B are vectors such that
A+3B=-3+j & A-B=i-2j then find A&B?
3 answers
593 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
1 answer
946 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
1 answer
1,290 views
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
8 answers
3,193 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
