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.
Do you round the vant hoff to the nearest whole or leave it as a decimal?
![### Freezing Point Depression versus Molality
**Graph Explanation:**
The graph presented on this page illustrates the relationship between the freezing point depression and molality of a solution.
- **Title**: Freezing point depression versus molality
- **Y-axis**: Represents the freezing point depression (in °C), ranging from 0 to 35.
- **X-axis**: Represents the molality of the solution (in \(m\)), ranging from 0 to 5.
- A linear regression line is drawn through the data points, which are represented by small blue dots.
- The equation of the line is given by \( y = 7.3x \), indicating the proportional relationship between the freezing point depression and molality.
**Description:**
In the lab, a student needs to determine the van't Hoff factor for a deicer in water. Using the same deicer, he prepares six solutions at different concentrations. The freezing point depression constant for water is 1.86 °C/m.
**Task:**
Determine the van't Hoff factor.
Equation to use:
\[ i = \frac{\text{Slope}}{1.86 \text{°C/m}} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7eaef044-20a7-420f-b57c-5d0c5f8d0743%2F005f39ad-1867-4a89-bb53-0c12a072c248%2Fmutvad_reoriented.jpeg&w=3840&q=75)
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