26 Questions
What is the term for the thermal energy transferred from a hotter system to a cooler system?
Heat
What is the unit of measurement for density of solids?
g/cm3
What is the smallest unit of a compound that retains its chemical characteristics?
Molecule
What is the term for a mixture with uniform composition and properties?
Homogeneous
What is the SI unit of volume for liquids?
Millilitre
What is the term for the amount of heat required to raise the temperature of 1 gram of a substance by 1 degree Celsius?
Specific Heat
What is the term for a mixture with non-uniform composition and properties?
Heterogeneous
What is the unit of measurement for intermolecular distance?
Angstrom
What is the term for the combination of two or more elements in a definite reproducible way?
Compound
What is the formula for density?
ρ = m/V
What is the term for the ratio of mass to volume?
Density
What is the SI unit of temperature?
Kelvin
What is the type of energy associated with an object's position?
Potential energy
What is the term for a mixture of two or more pure substances?
Mixture
What is the law that states that all pure samples of a given compound contain the same elements in the same proportion?
Law of Definite Proportions
What is the term for the heat required to raise the temperature of 1 g of a substance by 1°C?
Specific heat
What is the primary reason for the observation of Brownian Motion?
Relatively small size of colloidal particles
What is the term for the closeness of a measured value to a standard or known value?
Accuracy
What is the unit of molarity?
moles per liter
What is the term for a substance that has uniform composition throughout?
Homogeneous
What is the conversion formula from Celsius to Kelvin?
K = C + 273.15
What does the percentage of a solution indicate?
Ratio of solute to solution by mass
What type of mixture is characterized by visible particles and a non-uniform composition?
Suspension
What is the term for the density of a substance in comparison to the density of water?
Specific gravity
What is the purpose of understanding concentration in solutions?
To ensure correct quantities, especially with toxic substances
What is the major difference between mass per mass percentage and volume per volume percentage?
One uses mass, the other uses volume
Learn about the differences between homogeneous and heterogeneous mixtures, including their composition, properties, and examples. From air and vodka to brass and more, test your knowledge of these types of mixtures.
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