LIGHT SOURCESOLUTIONCOLLOIDSUSPENSIONLIGHT BEAM:NOT VISIBLEVISIBLEVISIBLEEXAMPLE:WATERSaltFLOUR AND WATERTypes of Mixtures IGiven the materials:flour, water, penlight, salt,3 clear glass,,design an experiment maximizing the use of the materials. Do the following:1. Identify the problem.2. State your procedure.3. Make an observation.4. Draw your conclusion.

Problem - To identify the characteristics of solution, colloid and suspension. Procedure: 1. Take 3…

LIGHT SOURCE SOLUTION COLLOID SUSPENSION LIGHT BEAM: NOT VISIBLE VISIBLE VISIBLE EXAMPLE: WATER Salt FLOUR AND WATER Types of Mixtures I flour, water, penlight, salt, 3 clear glass, Given the materials: design an experiment maximizing the use of the materials. Do the following: 1. Identify the problem. 2. State your procedure. 3. Make an observation. 4. Draw your conclusion. 000

LIGHT SOURCE SOLUTION COLLOID SUSPENSION LIGHT BEAM: NOT VISIBLE VISIBLE VISIBLE EXAMPLE: WATER Salt FLOUR AND WATER Types of Mixtures I flour, water, penlight, salt, 3 clear glass, Given the materials: design an experiment maximizing the use of the materials. Do the following: 1. Identify the problem. 2. State your procedure. 3. Make an observation. 4. Draw your conclusion. 000

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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The air in Earth's atmosphere is made up of about 78% nitrogen and 21% oxygen. The oxygen in this mixture isconsidered: A. the solute in a gaseous solution.B. the solvent in a gaseous solution.C. the solute in a heterogeneous gas-liquid mixture.D. the solvent in a heterogeneous gas-liquid mixture.E. none of the above
1. How do solute particles lower the vapor pressure and elevate the boiling point? Choose all that apply. I – solute particles increase the kinetic energy of solvent particles II – some solute particles occupy the surface of the solution III – solute particles attract solvent moleculesChoices: Statement I and II. Statement II and III, Statement I and III, Statement I, II, and III.Multiple choice
Suppose you dissolve a solute in water that results in a freezing point temperature of -0.19 degrees Celsius. Calculate the freezing point depression.
The elevation of the boiling point of the solution results from the lowering of its vapor pressure. The more concentrated the solution, the lower would be its vapor pressure and the higher would be its boiling point. Based on the statements given, what is the relationship between the concentration of solution and boiling point? Select the correct response: O Directly proportional Indirectly proportional O Reverse proportional O Inversely proportional
The solubility of gases in water… (select option)
When you open a bottle of soda, bubbles rapidly form and gas fizzes out. What is the best explanation of this? Group of answer choices (a) Gas that was trapped at the top of the bottle between the cap and the surface of the liquid escapes immediately and 'draws' liquid soda as it escapes, creating the illusion of bubbling. (b) The act of opening the bottle 'dislodges' tiny, nearly invisible gas bubbles that were clinging to the side of the container. They quickly condense into larger bubbles and escape. (c) Warm air from outside the bottle heats the soda, decreasing the solubility of the CO2 in the soda and causing it to bubble out. (d) When the bottle is opened, the pressure of CO2 gas above the liquid rapidly drops, which significantly decreases the solubility of CO2 in the soda, causing it to bubble out. (e) H2CO3 in the soda reacts with water vapor in the air, forming CO2 that quickly bubbles out.
The dispersed phase of a colloid can be a a. gas b. liquid c. solid d. more than one choice is correct
Fill up and identify the missing :
The intermolecular force between the water and the ions in solution is stronger than the intermolecular force between two water molecules. The presence of the solute (NaCl) will cause the vapor pressure to ______ and will ______ the boiling point.
D. Freezing Point Calculation Directions: Study the sample problem and do the task given. Sample problem with solution, Task to do Ethylene glycol (C2H6O2) is a molecular compound Calculate the freezing point of a solution that is used in many commercial anti-freezes. An aqueous solution of ethylene glycol is used in. vehicle radiators to prevent the water in the radiator from freezing by lowering its freezing point. Calculate the freezing point of a solution of 400. g of ethylene glycol in 500.g of water. repared by dissolving 27.56 g of glucose (C6H1206) into 125 g of water. Step 1: List the known quantities and plan the problem. Step 1: Kf (H2O) = -1.86 °C/m %3D Known: mass of C2H6O2 = 400. g molar mass of C2H6O2 = 62.08 g/mol mass of H20 = 500. g = 0.500 kg Kf (H20) = -1.86 °C/m *Kf- is the constant freezing point %3D %3D %3D %3DD ni noiulge Unknown: Tf of solution = ? °C *Tf- is the total freezing point This is a three-step problem. First, calculate the moles of ethylene glycol.…
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Match the following to letters on the graph: Freezing point of solution Where solid is cooling Freezing point depression Region where liquid is cooling Region where liquid is freezing