This is called crossing-over producing genetic recombination. At the end of meiosis 1, the homologous chromosomes are separated by spindle fibers to opposite poles of the cell which after cytokinesis (division of cytoplasm) reduce half the original number of chromosomes
Answer:
All three solutions have the same boiling point.
Explanation:
Elevation in boiling point is a colligative property. A colligative property depends upon the number of solute molecules irrespective of nature or molecular weight etc.
As all the given solutes (in all the three solutions) are non ionic (will not dissociate into ions) so with same molality (moles per unit Kg) they will have same number of molecules. And thus all the three aqueous solutions will have same boiling point.
Answer:
What is this asking for?
Explanation:
I’ll put the answer in the comments
<u>The mass of hydrogen atoms in the sample of water is 3.98g</u>
This can be solved by understanding of Avogadro's number and mole relationship concept.
<h3 /><h3>Avogadro's number</h3>
<u>This is a proportionality that relates the number of particles to the amount of substance in that sample and it is given as </u>
A molecule of water have the chemical formula as HO. This implies that for every 1 atom or molecule of oxygen, 2 hydrogen must be present.
In the question given, we have atoms of oxygen. This implies we must have
Now, let's compare this molar mass - Avogadro's number
molar mass of hydrogen = 1g/mol
From the calculation above, we would have 3.98g of hydrogen present in that particles of oxygen.
learn more on Avogadro's concept
brainly.com/question/2761055
brainly.com/question/18706897
Nitrogen has 7 protons and 7 neutrons hope this helps