Which substance cannot be broken down by a chemical change? (1) ammonia (2) mercury (3) propane (4) water

Which of the following is most likely to have a crystalline structure

Fusion reactions are commercially viable because they require low energies to initiate and sustain a reaction. True False

Which part of an atom is most directly involved in chemical bonding?

What is the benefit of cooking food to break down dietary fiber? (culinary) It enhances appearance. It enhances taste. It improves digestibility. It increases nutrition. It increases shelf life

Which is usually associated with a faster reaction rate? A. diluting a solution of the reactants B. adding modeling clay to the reactants C. removing heat energy from the reactants D. using a solid with a high surface area in the reactants

According to periodic trend, which of the following most likely has the highest ionization energy? Na Al Si Ar

Which substances are products of a fermentation reaction? 1. water and carbon dioxide 2. alcohol and carbon dioxide 3. soap and glycerol 4. ester and water

Which particles determines the name of the element?

A rod shaped organism with no nucleus commonly found in Garbage will most likely belong to which kingdom

3. piece of metal is heated to 100.0"C and placed into of water in a coffee cup calorimeter. Initially, the temperature of the water the calorimeter was 23.1C.