What energy conversion occurs when a sling shot is used to shoot a rock across the room

Which sample of matter can be seperated into different substances by physical means

In a coffee-cup calorimeter, 50.0mL of 0.100M AgNO3 and 50.0mL of 0.100M HCl are mixed to yield the following reaction:Ag + (aq) + Cl - (aq) - --> AgCl (s) The 2 solutions were initially at 22.60 degree C, and the final temperature is 23.40 degree C.

Which properties does the composition of atoms determine about a mineral? A. physical properties only B. chemical properties only C. both organic and inorganic properties D. both physical and chemical properties

What properties of metals are explained by its mobile electrons? Strength, malleability, ductility, heat conduction, current conduction, luster, opacity

Which of the following is a correct Lewis structure? a. [: C≡C : ] b. [: N≡N : ] c. No right choice.

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?