An element like silicon is not usually used to make wires or pans because it?

Which of these traits does not cause a change in the reaction rate? A. density B. temperature C. concentration D. particle size

What best describes the bonding in a carbon dioxide molecule? Carbon shares two of its electrons, and each oxygen shares four of its electrons. Carbon shares four of its electrons, and each oxygen shares two of its electrons.

What is the molecular mass of nicotine if 0.4784 mol weighs 180.0 g?

Salinity is a measure of which of the following in water? a. carbon dioxide b. oxygen c. dissolved salts d. sand

Write a balanced equation that shows the products formed when aniline dissolves in water (use the Bronsted-Lowry definition to show proton transfer from water to aniline). Calculate the pH, pOH, [H3O+], and [OH-] of a 0.30 M solution of aniline.

A positively charged wire is attracted to a negatively charged piece of metal. What force causes this?

Two identical atoms from Area B bond together. What type of bond will they most likely form A. Electrostatic B. Metallic C. Ionic D. Covalent

Which would be the best way to represent the concentration of a 1.75 M K2CrO4 solution? 1.75% K2CrO4 [K2CrO4] (K2CrO4) K2CrO4, [M] = 1.75

Consider the reaction C12H22O11 (s) + 12O2 (g) →12CO2 (g) + 11H2O (l) in which 10.0 g of sucrose, C12H22O11, was burned in a bomb calorimeter with a heat capacity of 7.50 kJ/∘C. The temperature increase inside the calorimeter was found to be 22.0 ∘C.

List three pros and three cons of nuclear energy.