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.
![**Balancing Chemical Equations**
In this exercise, you are tasked with balancing a chemical equation. The unbalanced equation provided is:
\[ \text{Si}_2\text{H}_3(s) + \text{O}_2(g) \rightarrow \text{SiO}_2(g) + \text{H}_2\text{O}(g) \]
To balance this equation, you must make sure that the number of each type of atom on the reactant side (left) is equal to the number on the product side (right).
**Instructions:**
1. **Identify Each Component:**
- \(\text{Si}_2\text{H}_3\) - Solid silicon hydride.
- \(\text{O}_2\) - Gaseous oxygen.
- \(\text{SiO}_2\) - Gaseous silicon dioxide.
- \(\text{H}_2\text{O}\) - Gaseous water.
2. **Balance the Equation:**
Use coefficients to balance the number of atoms for each element on both sides of the equation. Coefficients can be selected by using the input panel shown:
- Numbers (1, 2, 3, 4, etc.)
- Chemical elements and compounds (\(\text{Si}_2\text{H}_3\), \(\text{O}_2\), \(\text{SiO}_2\), \(\text{H}_2\text{O}\))
- States of matter: solid (s), gas (g)
- Other symbols: plus (+), arrow (\(\rightarrow\))
3. **Equation Balancing Tools:**
The interface provides buttons to help you construct the balanced equation.
- Number buttons to add coefficients before each compound.
- A "Reset" button to clear your selection and start over.
- A "Delete" button to remove the last input.
The goal is to ensure the same number of silicon, hydrogen, and oxygen atoms are present on both sides of the equation. Adjust the coefficients until the equation is balanced.
**Note:** Balancing chemical equations is an important skill in chemistry, ensuring the conservation of mass in reactions.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F23f54c76-b762-419b-8fbe-ee40e7662c11%2F15e98fd2-4894-4685-b5e6-f54733d031c2%2Fr725nlr_processed.jpeg&w=3840&q=75)
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