Students learn how to determine the percentage composition of a compound. Percent Composition and Empirical Formulas: Students learn how to determine the percentage composition of a compound and to ...

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Can aircraft pollutant emissions be reduced by using biofuels? And what influence does an alternative fuel have on the formation of contrails? In mid-January, a joint German Aerospace Center (DLR) and ...

This is a preview. Log in through your library . Abstract In the first paper in this series (1)*, the extent of oil thickening for a given lubricant in the Mack T-7 engine test was found to be ...

Researchers the world over have long believed that 70 percent of the universe is composed of dark energy, a substance that makes it possible for the universe to expand at an ever-increasing rate. But ...

A recent article in Advanced Materials Interfaces presented a method to more accurately determine the surface chemistry of Ti 3 C 2 T x MXenes. The authors used energy-dependent X-ray photoelectron ...