A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change, change that into an idiom

Starting substances An ending substance Properties: blue powder no smell Properties: colorless liquid strong smell What does this mean

When the following equation is balanced, what is the coefficient for HCl? Mg (s) + HCl (aq) → MgCl2 (aq) + H2 (g) 2 1 3 6

Which of the following is the best description of the results of a chemical reaction? A new substance with different properties if formed B The substances seem to disappear after dissolving in water.

As the frequency (LaTeX: / nuν) of the electromagnetic radiation increases, how does its wavelength (LaTeX: / lambdaλ) change?

In order for convention to transfer heat particles need to?

The continents of earth were clutered to gether in formation that a scientist named what

Looking at the heating curves for water (H2O) and ethyl alcohol (C2H5OH), formulate an explanation for the difference in heats of vaporization (2260 J/g for water and 854 J/g for ethyl alcohol).

Explain the relationship between the roman numeral and the charge used in naming ionic compounds.

Which type of wave has a wave perpedicular to the disturbance? A: Mechanical B: Transverse C: Longitude D: Surface

What minerals that are heavy, durable, and chemically resistant are likely to be found in what kind of deposites?