What is the reaction between calcium carbonate (CaCO3) and hydrochloric acid (HCl)?
2025 Final Exam Review HYR

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Chemistry
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10th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The reaction produces carbon dioxide (CO2), water (H2O), and calcium chloride (CaCl2). The balanced equation is: CaCO3 + 2 HCl → CaCl2 + H2O + CO2.
2.
FLASHCARD QUESTION
Front
How do you calculate the theoretical yield of a reaction?
Back
The theoretical yield is calculated based on the stoichiometry of the balanced chemical equation and the amount of limiting reactant present.
3.
FLASHCARD QUESTION
Front
What is a weak conjugate acid-base pair?
Back
A weak conjugate acid-base pair consists of an acid and its conjugate base that do not completely dissociate in solution. For example, H2O and OH-.
4.
FLASHCARD QUESTION
Front
What is the formula for calculating percentage yield?
Back
Percentage yield = (actual yield / theoretical yield) × 100%.
5.
FLASHCARD QUESTION
Front
What is the molarity (M) of a solution?
Back
Molarity is defined as the number of moles of solute per liter of solution. M = moles of solute / liters of solution.
6.
FLASHCARD QUESTION
Front
What is STP in chemistry?
Back
STP stands for Standard Temperature and Pressure, which is defined as 0 degrees Celsius (273.15 K) and 1 atmosphere (atm) pressure.
7.
FLASHCARD QUESTION
Front
How do you determine the volume of a diluted solution?
Back
Using the dilution formula: M1V1 = M2V2, where M1 and V1 are the molarity and volume of the concentrated solution, and M2 and V2 are the molarity and volume of the diluted solution.
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