A chef in Denver (the mile high city) and a chef in Tampa (sea level city) make the same recipe but the Denver chef has to modify the recipe. Why did the Denver chef have to modify the recipe? O The density of water is higher at high altitudes O The boiling point of water is lower at high altitudes O The boiling point of water is higher at high altitudes O The density of water is lower at high altitudes D Question 9 Which statement describes how food is cooked using microwaves? O The food reflects microwaves causing the air surrounding the food to heat up O Microwaves heat up the air around the food and it is transferred to the food through convection Microwaves break chemical bonds and the energy that is released cooks the food O The food absorbs the microwaves and its molecules begin to rotate causing heat D Question 10
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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