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Rate Versus Temperature, Concentration, Size, Catalyst

Casadevall, Acting Director The use of firm, trade, and brand names in this report is for identification purposes only and does not constitute endorsement by the US. Government Library of Congress Cataloging-in-Publications Data Ground water and surface water : a single resource / by Thomas C. Winter [et al] p cm -- (US. Geological Survey circular : 1139) Includes bibliographical references. 1. Hydrology. I. Winter, Thomas C. II. Series. GB6612G76 98–2686 5537—dc21 CIP ISBN 0–607–89339–7 US. GOVERNMENT PRINTING OFFICE : 1998 Free on application to the US.

Figure (1)

Figure 12.8 A contour map showing stratospheric ozone concentration and the “ozone hole” that occurs over Antarctica during its spring months. (credit: modification of work by NASA)

Key Points

  • A brief notation for H+ concentration (activity) is pH, which represents a negative logarithmic scale of the H+ concentration.
  • Gases are often rejected at the outlet of a turbomachine with residual pressure because it is not economically viable to extract any more work from them.
  • The rate constant k is independent of the reactant concentrations, but it does vary with temperature.

Terms

Tap a term for a plain-language explanation.

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