Liquid A has a bp of 120 C and liquid B has a bp of 80 C. A mixture containing both of these liquids will have..... o a single boiling point that is between 80 C and 120 C. O two distinct boiling points, one at 80 C and another at 120 C. O a single boiling point that is above 120 C (boiling point elevation). a single boiling point that is below 80C (boiling point depression).
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- What is the main purpose of recrystallisation? A. Chemists recrystallise solids when they want to change big crystals into small crystals. B. Chemists recrystallise solids that are contaminated with impurities. If done properly, the solid will then recrystallise in a purer form. C. Chemists recrystallise solids when they want to change small crystals into big crystals.a. When you drop granules of coffee into water, what happen to both substance? b. When you drop powdered coffee into water, what happen to both substanee? c. When you drop dish washing liquid on water, what happen to both substance? d. When you drop chunk of dish washing on water, what happen to both substance? 5. Conclusion: How will you explain the properties of liquid (water, dish washing liquid) and solids (coffee granules, coffee powder, dish washing paste) using the kinetic molecular model?1. Iron metal rusts in an atmosphere of moist air. a. Physical Propertyb. Chemical Property 2. Mercury metal is a liquid at room temperature.a. Physical Propertyb. Chemical Property3. Silver salts discolor the skin by reacting with skin protein.a. Physical Propertyb. Chemical Property4. Nickel metal dissolves in acid to produce a light green solutiona. Physical Propertyb. Chemical Property 5. Potassium metal has a melting point of 63°C.a. Physical Propertyb. Chemical Property6. Titanium metal can be drawn into thin wires.a. Physical Propertyb. Chemical Property7. Silver metal shows no sign of reaction when placed in hydrochloric acid.a. Physical Propertyb. Chemical Property8. Copper metal possesses a reddish-brown color.a. Physical Propertyb. Chemical Property9. Beryllium metal, when inhaled in a finely divided form, can produce serious lung disease.a. Physical Propertyb. Chemical Property
- 1. What happens between liquid water and water vapor when you have an increase in energy in the system? A. The system will be in equilibrium B. The liquid water gains mass C. Evaporation will increase D.Condensation will increase 2. When water vapor becomes a solid ice, this is called ________. A.melting B.deposition C.freezing D.sublimation 3. Which type of humidity is used on daily weather reports? A.absolute humidity B.relative humidity C.water-vapor capacity D.specific humidity 4.Fog is a cloud at ground level. True OR False 5. 5. From the map on page 465, what area of the United States has the highest frequency of freezing rain? Western Montana Kansas Central Illinois Tennessee11. Mrs. Folloso is preparing water in containers to sell in their water station. O A. filtration B. decantation C. handpicking D. magnetizing 12. Ms. Ramirez is separating some needles from other materials in the box. A. filtration B. decantation C. handpicking D. magnetizing 13. In the salt industry, men are using heating machines to make salt. * O A. filtration B. evaporation C. magnetizing O D. handpickingReinforcement! BIU fattv acids oroanic Substance B Substance A Duing an investigation, a student combined two substances as shown above. The student obse temperature when the substances were combined, A milky substance was produced and Ten to flask. What is the most likely reason for these results? A portion the substances crystallized. A solid appeared after the liquid evaporated. aidTamol nmuton The combined substances chemically reacted. C A portion of the substances dissolved. An object is observed to have a silver color and a metallic appearance. The object 1.34 grams and melts at 327.46°C. helow, which is considered to be an extensive
- A B H Me * H CI C D H H CI H H3C. H H3C. H H3C. H H3C H H3C- CI- H3C- CI- CI CH3 CHH CH3 CH3Organisms can live on Earth because of Earth's location in the solar system. How does Earth's distance from the Sun MOST affect Earth's water and enable life to exist? O A. It makes it possible to have water as a liquid over more than 70% of the planet. O B. It allows water to freeze OC. It changes water's specific gravity O D. It allows water to be salty or fresh DELL F10 F7 F2 F3 F4 & 6. 8.1. Homogeneous mixtures(s).. A. distilled water B. gasoline C. sandy water D. copper turnings + iron filings E. white gold (gold + palladium) and number 31-33 on image