The inside of a car on a hot summer day is 55.3 C. A balloon with a volume, inside the car of 755 mL is taken into the house by a child. Inside the house the balloon cools to 21.7 C. What is the final volume of the ballon? 296 mL 678 mL 842 mL 128 mL
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.
The inside of a car on a hot summer day is 55.3 C. A balloon with a volume, inside the car of 755 mL is taken into the house by a child. Inside the house the balloon cools to 21.7 C. What is the final volume of the ballon?
- 296 mL
- 678 mL
- 842 mL
- 128 mL
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