A magnet sticks to a table leg. Based on this information, which material could the table leg be made of?

In an experiment, 1 mol of propane is burned to form carbon dioxide and water. C3H8 + 502 3C02 + 4H20 1. How many moles of oxygen are needed for the reaction? A 3 mol B 1 mol C 5 mol D 10 mol

Parallaxes of stars are sometimes measured relative to the positions of galaxies or distant objects called quasars. Why is this a good technique?

A bicyclist rides forward with a positive acceleration. How would her acceleration be different if she had less mass?

A liquid of density 1390 kg/m 3 flows steadily through a pipe of varying diameter and height. At Location 1 along the pipe, the flow speed is 9.63 m/s and the pipe diameter d 1 is 10.1 cm. At Location 2, the pipe diameter d 2 is 15.3 cm.

If a girl is standing in front of a smooth surface from which a sound is reflected the girl may hear

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration

To generate higher profit margins, producers must work to increase their total supply. increase their total expenses. decrease their customer base. decrease their production costs

Solar energy isn't usually used as the only power source for a reason because what

What particle can be stopped by skin

What was significant about the atomic theory that democrituis proposed?