The masses of precious metals are sometimes measured by Troy weights: 12 Troy ounces = 1 Troy pound
1 Troy ounce = 24 pennyweights
24 grains = 1 pennyweight
1 grain = 64.8 milligrams
What is the mass, in Troy pounds, of a 155 gram gold nugget?

Hno3(aq) → h+(aq) + no3−(aq). picture ii best represents the strong acid hno3. strong acids are strong electrolytes

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

Wagons/motorized vehicles

Deposition is the transition of matter going from gas to solid without passing through the liquid phase.a.) gas—-> solid