Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Concept explainers
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Question
choose a balanced molecular equation for the precipitation reactions that take place when the following aqueous solutions are mixed.
Transcribed Image Text:a. Rubidum chloride, RbC1, and sulfuric acid, H₂SO4
Rule 4: an exception to the rule for sulfates;
RbCl(aq) + H₂SO4 (aq) → Rb2 SO4(s) + HCl(aq)
O Rule 4: an exception to the rule for sulfates;
2RbCl(aq) + H₂SO4 (aq) → Rb₂SO4 (8) + 2HCl(aq)
Rule 4: an exception to the rule for sulfates;
2RbCl(aq) + H₂SO4 (aq) → Rb₂SO4 (aq) + 2HCl(aq)
No precipitate: both Rb2SO4 and HCI are soluble
RbCl(aq) + H₂SO4 (aq) → no precipitate
b. Potassium carbonate, K2CO3, and barium chloride, BaCl2
Rule 6: Most carbonate salts are only slightly soluble;
K₂CO3(aq) + BaCl₂ (aq) → BaCO3 (s) + 2KCl(aq)
O Rule 6: exeption to rule for carbonates;
2K₂CO3(aq) + BaCl₂ (aq) → BaCO3 (8) + 2KCl(aq)
Rule 6: Most carbonate salts are only slightly soluble;
K₂CO3(aq) + BaCl₂ (aq) → BaCO3(aq) + 2KCl(aq)
Rule 6: Most carbonate salts are only slightly soluble;
K₂CO3(aq) + BaCl₂ (aq) → BaCO3 (8) + KCl(aq)
c. Sodium sulfate, Na2SO4, and barium nitrate, Ba(NO3)2
O Rule 4: an exception to the rule for sulfates;
Na₂SO4 (aq) + Ba(NO3)2 (aq) → BaSO4 (8) + NaNO3(aq)
Rule 4: an exception to the rule for sulfates;
Na2SO4 (aq) + Ba(NO3)2 (aq) → BaSO4 (aq) + NaNO3(aq)
O Rule 4: an exception to the rule for sulfates;
Na₂SO4 (aq) + Ba(NO3)2 (aq) → BaSO4 (aq) + 2NaNO3(aq)
Rule 4: an exception to the rule for sulfates;
Na2SO4 (aq) + Ba(NO3)2 (aq) → BaSO4 (8) + 2NaNO3(aq)
d. Cobalt(II) sulfate, CoSO4, and potassium hydroxide, KOH
.
oluble.
Previa
Transcribed Image Text:a. Rubidum chloride, RbC1, and sulfuric acid, H₂SO4
Rule 4: an exception to the rule for sulfates;
RbCl(aq) + H₂SO4 (aq) → Rb2 SO4(s) + HCl(aq)
O Rule 4: an exception to the rule for sulfates;
2RbCl(aq) + H₂SO4 (aq) → Rb₂SO4 (8) + 2HCl(aq)
Rule 4: an exception to the rule for sulfates;
2RbCl(aq) + H₂SO4 (aq) → Rb₂SO4 (aq) + 2HCl(aq)
No precipitate: both Rb2SO4 and HCI are soluble
RbCl(aq) + H₂SO4 (aq) → no precipitate
b. Potassium carbonate, K2CO3, and barium chloride, BaCl2
Rule 6: Most carbonate salts are only slightly soluble;
K₂CO3(aq) + BaCl₂ (aq) → BaCO3 (s) + 2KCl(aq)
O Rule 6: exeption to rule for carbonates;
2K₂CO3(aq) + BaCl₂ (aq) → BaCO3 (8) + 2KCl(aq)
Rule 6: Most carbonate salts are only slightly soluble;
K₂CO3(aq) + BaCl₂ (aq) → BaCO3(aq) + 2KCl(aq)
Rule 6: Most carbonate salts are only slightly soluble;
K₂CO3(aq) + BaCl₂ (aq) → BaCO3 (8) + KCl(aq)
c. Sodium sulfate, Na2SO4, and barium nitrate, Ba(NO3)2
O Rule 4: an exception to the rule for sulfates;
Na₂SO4 (aq) + Ba(NO3)2 (aq) → BaSO4 (8) + NaNO3(aq)
Rule 4: an exception to the rule for sulfates;
Na2SO4 (aq) + Ba(NO3)2 (aq) → BaSO4 (aq) + NaNO3(aq)
O Rule 4: an exception to the rule for sulfates;
Na₂SO4 (aq) + Ba(NO3)2 (aq) → BaSO4 (aq) + 2NaNO3(aq)
Rule 4: an exception to the rule for sulfates;
Na2SO4 (aq) + Ba(NO3)2 (aq) → BaSO4 (8) + 2NaNO3(aq)
d. Cobalt(II) sulfate, CoSO4, and potassium hydroxide, KOH
.
oluble.
Previa
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