Types of Mixtures: Homogeneous and Heterogeneous
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Questions and Answers

What is the term for the thermal energy transferred from a hotter system to a cooler system?

  • Temperature
  • Kinetic Energy
  • Heat (correct)
  • Specific Heat

What is the unit of measurement for density of solids?

  • g/L
  • g/mL
  • kg/m3
  • g/cm3 (correct)

What is the smallest unit of a compound that retains its chemical characteristics?

  • Molecule (correct)
  • Nucleus
  • Element
  • Atom

What is the term for a mixture with uniform composition and properties?

<p>Homogeneous (D)</p> Signup and view all the answers

What is the SI unit of volume for liquids?

<p>Millilitre (B)</p> Signup and view all the answers

What is the term for the amount of heat required to raise the temperature of 1 gram of a substance by 1 degree Celsius?

<p>Specific Heat (A)</p> Signup and view all the answers

What is the term for a mixture with non-uniform composition and properties?

<p>Heterogeneous (A)</p> Signup and view all the answers

What is the unit of measurement for intermolecular distance?

<p>Angstrom (B)</p> Signup and view all the answers

What is the term for the combination of two or more elements in a definite reproducible way?

<p>Compound (C)</p> Signup and view all the answers

What is the formula for density?

<p>ρ = m/V (D)</p> Signup and view all the answers

What is the term for the ratio of mass to volume?

<p>Density (C)</p> Signup and view all the answers

What is the SI unit of temperature?

<p>Kelvin (B)</p> Signup and view all the answers

What is the type of energy associated with an object's position?

<p>Potential energy (A)</p> Signup and view all the answers

What is the term for a mixture of two or more pure substances?

<p>Mixture (D)</p> Signup and view all the answers

What is the law that states that all pure samples of a given compound contain the same elements in the same proportion?

<p>Law of Definite Proportions (A)</p> Signup and view all the answers

What is the term for the heat required to raise the temperature of 1 g of a substance by 1°C?

<p>Specific heat (B)</p> Signup and view all the answers

What is the primary reason for the observation of Brownian Motion?

<p>Relatively small size of colloidal particles (C)</p> Signup and view all the answers

What is the term for the closeness of a measured value to a standard or known value?

<p>Accuracy (B)</p> Signup and view all the answers

What is the unit of molarity?

<p>moles per liter (A)</p> Signup and view all the answers

What is the term for a substance that has uniform composition throughout?

<p>Homogeneous (C)</p> Signup and view all the answers

What is the conversion formula from Celsius to Kelvin?

<p>K = C + 273.15 (A)</p> Signup and view all the answers

What does the percentage of a solution indicate?

<p>Ratio of solute to solution by mass (A)</p> Signup and view all the answers

What type of mixture is characterized by visible particles and a non-uniform composition?

<p>Suspension (B)</p> Signup and view all the answers

What is the term for the density of a substance in comparison to the density of water?

<p>Specific gravity (C)</p> Signup and view all the answers

What is the purpose of understanding concentration in solutions?

<p>To ensure correct quantities, especially with toxic substances (B)</p> Signup and view all the answers

What is the major difference between mass per mass percentage and volume per volume percentage?

<p>One uses mass, the other uses volume (C)</p> Signup and view all the answers

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