Which of the following are physical properties of a penny? choose all that are correct.
select one or more: a. slightly red in color. b. conducts electricity very well. c. reacts to oxygen when heated. d. resists corrosion from most acids.

19. at high pressures, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions, and why? eman- it is much less because real gas partides are not moving. there is no difference because the gas laws are always obeyed. it is much less because at high pressures the temperature drops. it is much greater because real gas partides take up space.

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Predict the products butane (c4h10) + oxygen —>