Podcast
Questions and Answers
Which one of these is true about balancing chemical equations?
Which one of these is true about balancing chemical equations?
- Balancing chemical equations changes the identity of the substances involved
- Balancing chemical equations is only important for certain types of reactions
- Balancing chemical equations ensures that the law of conservation of mass is obeyed (correct)
- It is not necessary to balance chemical equations
Which one of these is true about Le Chatelier's Principle?
Which one of these is true about Le Chatelier's Principle?
- Le Chatelier's Principle states that a system at equilibrium will always shift in the direction that maintains equilibrium (correct)
- Le Chatelier's Principle states that a system at equilibrium will not be affected by any changes
- Le Chatelier's Principle states that a system at equilibrium will always shift in the direction that reduces stress
- Le Chatelier's Principle states that a system at equilibrium will always shift in the direction that increases stress
Which one of these is true about the empirical formula?
Which one of these is true about the empirical formula?
- The empirical formula represents the simplest whole-number ratio of atoms of each element in a compound (correct)
- The empirical formula represents the actual number of atoms of each element in a compound
- The empirical formula represents the molecular structure of a compound
- The empirical formula represents the molar mass of a compound
According to the kinetic molecular theory, which of the following variables is directly proportional to the average kinetic energy of gas molecules?
According to the kinetic molecular theory, which of the following variables is directly proportional to the average kinetic energy of gas molecules?
Which of the following is an example of an intermolecular force?
Which of the following is an example of an intermolecular force?
What is the molarity of a solution that contains 0.5 moles of solute dissolved in 2 liters of solvent?
What is the molarity of a solution that contains 0.5 moles of solute dissolved in 2 liters of solvent?
Which of the following is true about the rate of solution?
Which of the following is true about the rate of solution?
Which one of these is true about the concept of stoichiometry?
Which one of these is true about the concept of stoichiometry?
Which one of these is true about the limiting reactant in a chemical reaction?
Which one of these is true about the limiting reactant in a chemical reaction?
Which one of these is true about the kinetic molecular theory?
Which one of these is true about the kinetic molecular theory?
Which one of these is true about solutions?
Which one of these is true about solutions?
Which one of these is true about synthesis and decomposition reactions?
Which one of these is true about synthesis and decomposition reactions?
What is the process of balancing a chemical equation?
What is the process of balancing a chemical equation?
What effect does increasing pressure have on an equilibrium involving gases?
What effect does increasing pressure have on an equilibrium involving gases?
Which one of these is true about the pH scale?
Which one of these is true about the pH scale?
Which one of these is true about buffers?
Which one of these is true about buffers?
Which one of these is true about acid-base titrations?
Which one of these is true about acid-base titrations?
According to Le Chatelier's Principle, what happens to the equilibrium position if the concentration of reactants is increased in a reversible reaction at equilibrium?
According to Le Chatelier's Principle, what happens to the equilibrium position if the concentration of reactants is increased in a reversible reaction at equilibrium?
What effect does increasing pressure have on an equilibrium involving gases?
What effect does increasing pressure have on an equilibrium involving gases?
What is the empirical formula of a compound given its percent composition?
What is the empirical formula of a compound given its percent composition?
Which one of these is true about the concept of stoichiometry?
Which one of these is true about the concept of stoichiometry?
What is the process of balancing a chemical equation?
What is the process of balancing a chemical equation?
Which one of these is true about the empirical formula?
Which one of these is true about the empirical formula?
What effect does increasing pressure have on an equilibrium involving gases?
What effect does increasing pressure have on an equilibrium involving gases?
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