Is the freezing of mercury a reversible or irreversible physical change?

Select all of the statements that are examples of technology in science. chemists using a computer program to analyze data from their experiments physicists using a water tank to observe the way waves interact with a model vehi biologists writing

What is the decay mode of K-37

The numbers of spiders in the house and the outside temperature have an indirect relationship. what will happen to the spiders in the house as the outside air temperature decreases

What is the percent composition of carbon in caffeine (C₈H₁₀N₄O₂) ?

What property did mendeleev use to organize the elements into a periodic table?

Can anyone tell me how to balance chemical equations

Nomadic people received income from where

How many milliliters of 0.755 m h2so4 solution is needed to react with 55.0 ml of 2.50 m koh solution? given: 2 koh (aq) + h2so4 (aq) → 2 h2o (l) + k2so4 (aq) ?

Ammonia is among the top ten synthesized compounds. Its many uses include the manufacture of ammonium nitrate and other fertilizers. Ammonia decomposes at high temperatures. In an experiment to explore this behavior, 2.

How to seperate sand and water