Poll 20. In the reaction
Ni + 2 Agt → Ni2+ + 2 Ag,
what is the total number of moles of electrons lost by I mole
of Ni?
1) 1
2) 2
3) 0.5
4) 4

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?