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Concept explainers
(a)
Interpretation:
The tap water has to be identified as homogenous or heterogeneous mixture.
Concept Introduction:
Mixture:
A mixture always contains two or more substances that can be present in varying amounts. The components of a mixture do not lose their identities and may be separated by physical means. There are two types of mixture,
- Homogeneous mixture
- Heterogeneous mixture
Homogeneous mixture:
Homogenous mixture consist of a single phase be it liquid, gas, or solid the chemical composition is the same for any sample of the mixture.
Heterogeneous mixture:
Heterogeneous mixture consist of different phase are not uniform they will not have an identical composition.
(b)
Interpretation:
The carbonated beverage has to be identified as homogenous or heterogeneous mixture.
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The oil and vinegar salad dressing has to be identified as homogenous or heterogeneous mixture.
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The people in the football stadium have to be identified as homogenous or heterogeneous mixture.
Concept Introduction:
Refer to part (a).
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Chapter 1 Solutions
Foundations of College Chemistry, Binder Ready Version
- Write the calculate the reaction quotient for the following system, if the partial pressure of all reactantsand products is 0.15 atm: NOCl (g) ⇌ NO (g) + Cl2 (g) H = 20.5 kcalarrow_forwardComplete the spectroscopy with structurearrow_forwardcould you answer the questions and draw the complete mechanismarrow_forward
- Complete the spectroscopy with structurearrow_forwardCalculate the reaction quotient for the reaction:NaOH (s) ⇌ Na+ (aq)+ OH- (aq) + 44.4 kJ [Na+] = 4.22 M [OH-] = 6.41 Marrow_forwardGiven the following concentrations for a system, calculate the value for the reaction quotient: Cl2(g)+ CS2(g) ⇌ CCl4(g)+ S2Cl2(g) Cl2 = 31.1 atm CS2 = 91.2 atm CCl4 = 2.12 atm S2Cl2 = 10.4 atmarrow_forward
- Match each chemical or item with the proper disposal or cleanup mwthod, Not all disposal and cleanup methods will be labeled. Metal sheets C, calcium, choroide solutions part A, damp metal pieces Part B, volumetric flask part A. a.Return to correct lables”drying out breaker. Place used items in the drawer.: Rinse with deionized water, dry as best you can, return to instructor. Return used material to the instructor.: Pour down the sink with planty of running water.: f.Pour into aqueous waste container. g.Places used items in garbage.arrow_forwardWrite the equilibrium constant expression for the following reaction: HNO2(aq) + H2O(l) ⇌ H3O+(aq) + NO2-(aq)arrow_forwardWrite the reaction quotient for: Pb2+(aq) + 2 Cl- (aq) ⇌ PbCl2(s)arrow_forward
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