Name for the compound HF is Hydrogen fluoride.
Hope this helps!
I don’t know how , what class is it for?
To prevent more than one sperm from entering the egg.
What is oocyte?
An oocyte , or ovocyte is a female gametocyte or germ cell involved in reproduction. In other words, it is an immature ovum, or egg cell. An oocyte is produced in a female fetus in the ovary during female gametogenesis. The female germ cells produce a primordial germ cell (PGC), which then undergoes mitosis, forming oogonia. During oogenesis, the oogonia become primary oocytes. An oocyte is a form of genetic material that can be collected for cryoconservation.
When the sperm and egg fuse it triggers a release of calcium ions, which cause the cortical granules inside the egg to fuse with the plasma membrane. As they fuse, these granules release their contents outside of the cell, toward the remains of the zona pellucida.
To learn more about gametogenesis click on the link below:
brainly.com/question/1446790
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<u>Answer:</u> The value of
for the chemical equation is 
<u>Explanation:</u>
For the given chemical equation:

To calculate the
for given value of Gibbs free energy, we use the relation:

where,
= Gibbs free energy = 78 kJ/mol = 78000 J/mol (Conversion factor: 1kJ = 1000J)
R = Gas constant = 
T = temperature = 1000 K
= equilibrium constant in terms of partial pressure = ?
Putting values in above equation, we get:

Hence, the value of
for the chemical equation is 