2.8 billion miles which can be said as 4.5 billion kilometres
hope this helps x
Answer:
it is a device to control self sustained nuclear reactions. they are used at nuclear power plants for electricity generating and nuclear marine propulsion.
In Thompson's model, an atom is made of protons and electrons. Protons carry simplest positive charge, while electrons carry simplest negative charge thus being the simplest negative particle in an atom.
Answer:
2.3moles of H3PO4
Explanation:
3 moles of Zn reacts with 2 moles of H3PO4
3.45 moles of Zn will react with> ( 3.45 * 2)/ 3
=2.3 moles of H3PO4