You have a sample of soil. Soil is a heterogeneous mixture. You separate the different size components from the soil using wire sieves. You found the following components in your soil: 28 grams of clay • 14 grams of silt ● • 24 grams of sand • 8 grams of gravel • 10 grams of decayed plant material. Determine the mass percent of the different components in your soil sample. 24. Clay 25. Silt 26. Sand 27. Gravel 28. Decayed plants SLIVEWORK
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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