Why are ionic solids poor conductors of electricity?

A solution A - Has a uniform composition and is able to be separated by physical means. B - Has a heterogeneous composition and is able to be separated by physical means.

A certain reaction with an activation energy of 205 kj/mol was run at 485 k and again at 505 k. what is the ratio of f at the higher temperature to f at the lower temperature?

Unless told otherwise where should you dispose Solid Waste

Along with water, what substance absorbs much of the infrared radiation reaching earth from the sun? a. carbon dioxide b. iron sulfate c. nitrogen bromide d. sodium phosphate'

How many moles of HCl are found in 500mL of HCl solution with pH of 3

What is a example of a population

Which of the following statements holds true for a chemical change? OA In a chemical change, no new substance is formed. B. In a chemical change, a substance changes its phase. oc. In a chemical change, the molecular structure of a substance changes.

What is the name of the branch of science that specifically studies the conversion of chemical energy to electrical energy and vice versa? biochemistry electrochemistry organic chemistry thermodynamics

What is the symbol for heat

When a single 1-gram piece of zinc is added to 3 M hydrochloric acid at 25°C, the reaction is slow. Which procedure would most likely increase the rate of the reaction if the reaction were repeated? A. using 1 gram of powdered zinc B.