---
title: "1 Appearing Quotes By Wolfgang Ostwald"
description: "1 Appearing quotes by Wolfgang Ostwald. Plus more from Wolfgang Ostwald and more Appearing sayings from other authors."
image: "https://sms4smile.com/quotes/i/c8c/wolfgang-ostwald-50784_appearing_a-catalyst-is-a-substance-which-alters-t_3220020.png"
---

> [A catalyst is a substance which alters the velocity of a chemical reaction without appearing in the final products.](https://sms4smile.com/quotes/wolfgang-ostwald/a-catalyst-is-a-substance-which-alters-the-velocity-of-a-chemical/)

[Wolfgang Ostwald](https://sms4smile.com/quotes/author/wolfgang-ostwald/)

[Image](https://sms4smile.com/quotes/i/c8c/wolfgang-ostwald-50784_appearing_a-catalyst-is-a-substance-which-alters-t_3220020.png)

## More by Wolfgang Ostwald

> [The chemists work with inaccurate and poor measuring services, but they employ very good materials. The physicists, on the other hand, use excellent methods…](https://sms4smile.com/quotes/wolfgang-ostwald/the-chemists-work-with-inaccurate-and-poor-measuring-services-but/)

[Wolfgang Ostwald](https://sms4smile.com/quotes/author/wolfgang-ostwald/)

> [I must consider the organizer as more important than the discoverer.](https://sms4smile.com/quotes/wolfgang-ostwald/i-must-consider-the-organizer-as-more-important-than-the-discoverer/)

[Wolfgang Ostwald](https://sms4smile.com/quotes/author/wolfgang-ostwald/)

> [Happiness is equal to work minus resistance.](https://sms4smile.com/quotes/wolfgang-ostwald/happiness-is-equal-to-work-minus-resistance/)

[Wolfgang Ostwald](https://sms4smile.com/quotes/author/wolfgang-ostwald/)

> [The only difference between elements and compounds consists in the supposed impossibility of proving the so-called elements to be compounds.](https://sms4smile.com/quotes/wolfgang-ostwald/the-only-difference-between-elements-and-compounds-consists-in-the/)

[Wolfgang Ostwald](https://sms4smile.com/quotes/author/wolfgang-ostwald/)

> [What we call matter is only a complex of energies which we find together in the same place.](https://sms4smile.com/quotes/wolfgang-ostwald/what-we-call-matter-is-only-a-complex-of-energies-which-we-find/)

[Wolfgang Ostwald](https://sms4smile.com/quotes/author/wolfgang-ostwald/)

> [Non-aqueous solutions don't conduct.](https://sms4smile.com/quotes/wolfgang-ostwald/non-aqueous-solutions-don-t-conduct/)

[Wolfgang Ostwald](https://sms4smile.com/quotes/author/wolfgang-ostwald/)

> [A catalyst is a substance which alters the velocity of a chemical reaction without appearing in the final products.](https://sms4smile.com/quotes/wolfgang-ostwald/a-catalyst-is-a-substance-which-alters-the-velocity-of-a-chemical/)

[Wolfgang Ostwald](https://sms4smile.com/quotes/author/wolfgang-ostwald/)

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