Write a balanced equation for the reaction of thermal decomposition of solid mercury (II) oxide (also known as mercuric oxide) into liquid mercury and oxygen gas

1. Which of the following does NOT indicate that a chemical change may have taken place? A. fracture formation B. gas production C. precipitate formation D. energy transfer 2. What happens to matter during a chemical reaction? A.

How does the molecular motion of a sustance change when it goes from liquid to solid? A) The molecules lose energy, and their relative motion decreases B) The molecules gain energy, and their relative motion decreases C) The molecules gain energy,

Which of the following is a technique used in relative dating? Beta decay Index fossil correlation Isotope ratios Radiocarbon dating

How many flies can fit into a 10 oz coffee cup?

Match each career with the academic requirement for the job.

What are the four classifications of matter? of those four, which two are pure substances?

Which relationship or statement best describes delta s for the following reaction: 2H2S (g) + 3O2 (g) - -> 2H2O (g) a) Delta S = 0 b) Delta S < 0 c) Delta S> 0 d) Delta S = Delta H |T e) More information is needed to make a reasonable prediction.

Which of the following subatomic particles are found outside of the nucleus?

How many atoms does a molecule of sodium chloride contain?

Why do certain types of honey rarely crystallize?