In an atom of argon-40 the number of protons

What happens to the space between the particles that make up a gas as it changes into a liquid? The space between the particles decreases. The space between the particles increases. The space between the particles stay the same.

An equilibrium mixture of SO 2, O 2, and SO 3 gases at 1500 K is determined to consist of 0.344 mol/L SO 2, 0.172 mol/L O 2, and 0.56 mol/L SO 3.

A chemical reaction is a process by which one or more substances transform into different substances via a chemical change. Sometimes, chemical reactions exhibit evidence that can be easily observed when they occur.

How is the Hvap used to calculate the mass of liquid boiled by 1 kJ of energy?

What is the difference between a hypothesis and a theory? Practice A Hypotheses can not be proven; theories can. B Theories have been confirmed through tests; hypotheses have not.

Por qué dos iones sodio reemplazan un ion de calcio o de magnesio

How and when did scientists discover cells

How many grams of compound are present in 4.18 grams of K2HPO4

What does the first law of thermodynamics say? A. Energy cannot be stored in any form. B. Energy cannot be created or destroyed. C. Energy cannot move within a system. D. Energy cannot enter or leave a system,

How did the experiement with the iron filings and sulfur compare with the experiment in which copper sulfate pentahydrate was heated? Both resulted in gas formation. Both resulted in color change. Both involved chemical change.