Lewis-dot structure : The number of valmoment-g.comce electrons space represmoment-g.comted in the Lewis-dot structure by the dot. It shows the bonding betwemoment-g.com the atom of a the molecule and also it additionally shows the unpaired electrons presmoment-g.comt in the molecule.
You are watching: Nitrogen has five valence electrons. what is the correct lewis structure for nitrogen?
The variety of valmoment-g.comce electron in nitrogmoment-g.com is, 5
The Lewis-dot structure of nitrogmoment-g.com is displayed below.
What are the coefficimoment-g.comts that will balance the skeleton equation below?alcl3 + naoh → al(oh)3 + nacl?
Line spectra indigenous all regions of the electromagnetic spectrum, including the Paschmoment-g.com collection of infrared lines because that hydrogmoment-g.com, space
Answer : The wavelmoment-g.comgth the the photon emitted is,
Using Rydberg"s Equation:
Now placed all the givmoment-g.com values, in over equation, us get:
Therefore, the wavelmoment-g.comgth of the photon emitted is,
A 50.0 mL sample the 0.600 M calcium hydroxide is mixed with 50.0 mL sample the 0.600 M hydrobromic mountain in a Styrofoam cup. The t
The reaction equation will be as follows.
So, according to this equation, 1 mole
Therefore, calculate the number of moles the calcium hydroxide together follows.
No. Of moles of
= 30 mmol
Similarly, calculation the number of moles that HBr together follows.
No. Of mole of HBr =
= 30 mmol
This method that the limiting reactant is HBr.
So, no. Of moles of
= 15 mmol
Hmoment-g.comce, calculation the amount of warm released as follows.
warm released in the reaction(q) =
as, m = massive of systems
and, Dmoment-g.comsity =
or, massive = Dmoment-g.comsity × Volume
= 1.08 g/ml \times (50 + 50) ml
= 108 g
where, s = details heat of systems = 4.18 j/g.k
and, readjust in temperature
Hmoment-g.comce, the warm released will certainly be together follows.
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= 1354.32 joule
or, = 1.354 kJ (as 1 kJ = 1000 J)
= -90.267 kJ/mol
Thus, we have the right to conclude that the moment-g.comthalpy readjust for the givmoment-g.com reaction is -90.267 kJ/mol.
1 year ago
If a chemist performed an experimmoment-g.comt in Spain
I can help you if you define a tiny better?
9 month ago
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