Which of the following are characteristics of ionic compounds? Check all that apply. have high melting and boiling points are hard can exist as solids, liquids, or gases at room temperature (25°C) are good conductors of electricity when dissolved in water

What is the mass of 4 molecules of co2

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?