Which of the following is NOT true about 3-D printing? * 3-D printing always works without errors.
Personal 3-D printers can use plastic filament to build an object.
3-D printers can be used to make different objects.
A 3-D printer moves around to create layers.

This is the substance(s) formed in a chemical reaction.

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.

The solid that is formed and usually sinks to the bottom of a solution is the