You apply 100.0 of force to a machine. The machine applies 20.0 N of force to the load. What is the mechanical advantage of the machine.

How are isotopes of the same elements alike? How are they different?

1. Why were mutations needed for the species of moth to survive during the Industrial Revolution in London? Explain how this mutation lead to the evolution of this species of moth.

What is it called when scientists quantify their observations of their surroundings

Explain why ethanol will dissolve in water and carbon tetrachloride will not.

The number of orbits iron / Fe has is? 4 or 14

Which laws can be combined to form the ideal gas law? Boyle's law and Charles's law Gay-Lussac's law and Avogadro's law Charles's law, Avogadro's law, and Boyle's law Dalton's law, Gay-Lussac's law, and Avogadro's law

What determines the horizontal arrangement of the periodic table?

A 55.3 g sample of lead heated and then quenched in a 175g sample of water. During the quenching reaction the temperature of the water increases from room temperature, 25.0 °C, to 42.6 °C.

What conclusion can you draw from this experiment about the components of the black ink

How does the size of ions affect the conductivity of a solution?