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Questions and Answers
In Dalton's law of partial pressures, what conditions remain the same for each gas placed in a container?
In Dalton's law of partial pressures, what conditions remain the same for each gas placed in a container?
What is produced when 42 grams of N2 are reacted according to stoichiometric principles?
What is produced when 42 grams of N2 are reacted according to stoichiometric principles?
What is the term used to describe a process where components of a liquid mixture are vaporized and then condensed?
What is the term used to describe a process where components of a liquid mixture are vaporized and then condensed?
Which formula represents the simplest ratio of atoms in a molecule?
Which formula represents the simplest ratio of atoms in a molecule?
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Which of the following describes the variable that represents the ratio of a specific gas in a mixture of gases?
Which of the following describes the variable that represents the ratio of a specific gas in a mixture of gases?
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What does Charles' Law state about the relationship between volume and temperature of a gas?
What does Charles' Law state about the relationship between volume and temperature of a gas?
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Which property of matter can be observed or measured without altering its chemical composition?
Which property of matter can be observed or measured without altering its chemical composition?
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Which term describes the ratio of the actual yield to the theoretical yield in a chemical reaction?
Which term describes the ratio of the actual yield to the theoretical yield in a chemical reaction?
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Flashcards
Dalton's Law of Partial Pressures
Dalton's Law of Partial Pressures
The volume and temperature are the same for each gas in a container.
Stoichiometry
Stoichiometry
The study of amounts of materials consumed and products formed in reactions.
Physical Property
Physical Property
A property that can be observed without changing the chemical composition.
Distillation
Distillation
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Empirical Formula
Empirical Formula
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Percent Yield
Percent Yield
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Boyle's Law
Boyle's Law
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Mole Fraction
Mole Fraction
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Study Notes
Dalton's Law of Partial Pressures
- In Dalton's law of partial pressures, volume and temperature are the same for each gas placed in a container.
Molecular Formula of Lactic Acid
- Molecular formula of lactic acid is C3H6O3.
Stoichiometry
- Stoichiometry deals with the amounts of materials consumed and products formed in a chemical reaction.
- For example, if 4.95 g of ethylene (C2H4) are combusted with 3.25 g of oxygen, 2.98 g of CO2 are formed. Also, 51.1 grams of NH3 is produced when 42 grams of N2 react.
Physical Properties
- A physical property describes the pressure in a semi-deflated balloon.
- A physical property of matter can be observed or measured without changing its chemical composition.
Chemical Formulas
- A chemical formula is a shorthand representation of the elements in a compound.
- Chemical formula is a short-hand representation of an element in a compound.
- When balancing equations, a coefficient can be placed to the left of a formula.
Percent Yield
- The ratio of the actual yield to the theoretical yield is known as the percent yield.
Mole Fraction
- Mole fraction is the variable in chemistry that describes the ratio of a specific gas in a mixture of gases.
Chemical Compound Names
- The common name for C6H12O6 is glucose.
- The chemical formula for nitrous oxide is N2O.
Pressure
- Pressure is the result of force acting on an object per unit area.
Gas Laws
- Boyle's Law: At a constant temperature, the volume of a fixed quantity of gas is inversely proportional to the pressure.
- Charles' Law: At a constant pressure, the volume of a fixed quantity of gas is directly proportional to the absolute temperature.
Distillation
- Distillation is a process in which the components of a liquid mixture are vaporized and then condensed and separated.
Isotopes
- Isotopes of the same element have a different number of neutrons.
Radioactive Isotopes
- Radioactive isotopes produce alpha, beta, and gamma rays.
Empirical Formula
- An empirical formula gives the simplest ratio of atoms in a molecule.
Vaporization/Condensation
- Liquid mixtures are vaporized and the products are separated.
Chemical Reactions
- In chemical reactions, reactants are consumed to form products.
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Description
Explore key concepts in chemistry, including Dalton's Law of Partial Pressures, stoichiometry, and the physical properties of substances. This quiz covers essential chemical formulas and reactions to enhance your understanding of basic chemistry principles.
