Which statements are true about ionic compounds? a. an ionic compound can be named using prefixes. b. an ionic compound is made of a positive cation and a negative anion. c. an ionic compound of two elements has three possible formulas. d. an ionic compound is made of a nonmetal and a metal.

Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg

What should the power status of a circuit be when measuring resistance with an ohmmeter?

Explain the consequences of this addiction to the brain tissue