Concept explainers
Interpretation:
The correct option for the statement during the process of evaporation from an insulated container the temperature of remaining liquid has to be chosen.
Concept Introduction:
Evaporation is a process in which the molecules escapes from the liquid phase to the gas phase. According to Kinetic molecular theory an evaporation can be explained as, not all the molecules present in a liquid or solid or gas possess the same the same kinetic energy and at any instant, some of the molecules may have above average kinetic energies and other may have below average kinetic energies as a result of collision between molecules. The molecules overcome attractive forces with other molecules.
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Chapter 7 Solutions
General, Organic, and Biological Chemistry
- Sample A Sample B Sample C Sample D Observations Sample E Sample F white white Fazzy White (Color and Blue appearance) Crstal crstalwnite Powden crstal Klear State at Room Temperature Sold Solid solid Solid solid liquid Solubility in water Yes Yes Yes No yes y es Color of Solution clear clear blue cleor Clear Conductivity Yes No Yes yes yes Analyze: 1) Can a substance be identified as molecular or ionic based on its state at room temperature? Explain. 2) Can a substance be identified as molecular or ionic based on its solubility? Explain. 3) Can a substance be identified as molecular or ionic based on color? Explain. ilth 4) Can a substance be identified as molecular or ionic based on conductivity of a solution? 5) What was the purpose of measuring the conductivity of distilled water before measuring the conductivity of the different solutions?arrow_forwardtrong>Exercise 13.8 A sample of argon gas with a volume of 11.0Lat a temperature of 13Cand a pressure of 0.747atm is heated to 56Cand a pressure of 1.18atm. Ca1culate the final volume.arrow_forwardentActivity.do?locator=assignment-take (Releronces) Butene, used as the monomer for polybutene, is composed of 85.7% C and 14.3% H by mass. If the density of butene is 2.50 g/L at STP, what is the molecular formula of butene? Submit Answer Try Another Version 1 item attempt remainingarrow_forward
- Please correct answer and don't use hend raitingarrow_forwardActivity 1.1 Can y mallows are Materials Needed: sugar water gla sses fork Other Char oil Asid teaspoon stones you cite oth egg yolk Let Procedure: 1. Put one teaspoon of sugar in a glass with water and then stir. Describe what happens Material 2. Get another glass and fill it with water. Then, place some stones in it. Record your observations. Proced 3. Mix 1 tablespoon of oil and 2 tablespoons of water. Observe. Now, add one tablespoon of egg yolk. U sing a fork, continuously beat the mixture. Describe what happens.arrow_forwardExercise 2. Relationship between P and T when n and V are constant. Complete the data table (temperature and pressure) below for 0.20 g of helium (0.050 mol) at a constant volume of 1.12 L. Plot the pressure in atmospheres on the ordinate (range 0 atm to 1.50 atm), and Celsius temperature (range -100°C to +100°C) on the abscissa. Extrapolate the line connecting the points to zero pressure, and note where it intersects the temperature axis. Temperature Pressure P/T lb/in2) (atm). (atm/K) 100.0 19.9 30.0 16.2 14.6 -79.0 10.4 Now, calculate the P/T ratio (this is the proportionality constant, k), for each temperature and pressure value and fill in the column in the table. Complete the statements below: Statements: 1. The name of the curve you graphed is 2. The mathematical expression relating P and T is, 3. The temperature at which the line intersects the temperature axis is, 4. The pressure exerted by 0.20 g of He at 200°C would be (Show your calculation in the space below.) 981arrow_forward
- A sample of argon gas at a pressure of 762 mm Hg and a temperature of 22 °C, occupies a volume of 11.1 liters. If the gas is cooled at constant pressure to a temperature of -1 °C, the volume of the gas sample will be Submit Answer Try Another Version 10 item attempts remainingarrow_forwardMultiple Choice: If you fill a 2L soda bottle (at STP) with carbon dioxide, how many particles does the bottle contain? a. 2,37 X 10 (exponent 22) b. 2,37 X 10 (exponent 23) c. 5,37 X 10 (exponent 22) d. 5,37 X 10 (exponent 23)arrow_forwardPlease correct answer and don't use hand ratingarrow_forward
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