Freezing point Study guides, Class notes & Summaries

CHEM 1212: Final Exam Questions and Answers Colligative Properties - CORRECT ANSWER-properties of solution, such as freezing point and boiling point, which depend on the concentration of solute particles dissolved in the solvent Freezing Point Depression Equation - CORRECT ANSWERMolality - CORRECT ANSWER-moles of solute per kg of solvent Molality= - CORRECT ANSWERWhat is the definition of colligative properties? (Antifreeze) - CORRECT ANSWERproperties of a solution that depend on the...

GENERAL CHEMISTRY FINAL EXAM 2024 Convert Degrees Celsius to Kelvin - correct answer T(K)= T(C) + 273.15 Absolute Zero for Celsius and Kelvin - correct answer -273.15 C 0 K The unit size of the Celsius and Kelvin scale is the same. Boiling Point (C) and Kelvin and Freezing point - correct answer Boiling: 100 deg. C and 373.15 K Freezing: 0 deg. C and 273.15 K Extensive properties - correct answer Depends on the amount of the same Ex: mass and volume (these are physical prope...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

What happens when insects get cold? correct answers 1st threshold: chilling injury, certain cellular processes aren't working well 2nd threshold: Supercooling point (freezing point) Chill coma correct answers reversible state of paralysis Supercooling point correct answers freezing point What are some examples of chilling injury? correct answers loss of membrane fluidity, loss of ion homeostasis, and apoptosis What happens when water freezes in a cell? correct answers expands and...

Which of the following questions is the student investigating? What effect do different concentration of solute have on freezing point Which of the following body systems breaks down protein into Amino Acids? Digestive Which structure in male reproductive system secretes fluid and protects sperm? Prostate gland Which of the following describes the function of a Neuron? Transmits Sensory Information Which occurs during Thermoregulation to Increase body temperature Body shivers Whic...

If a Hydrogen is in a compound, what would its oxidation number be? +1 What is the oxidation number of any simple ion? The same as charge of the ion How many kilograms are in a pound? 0.453592 kg What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) What is the conversion of Celsius to Fahrenheit? 5F=9C+160 (remember 5F because you have 5 fingers on a hand and 9C because cats have 9 lives) What is the oxidation number of an element atom? ...

EPRI: Heat Transfer & Fluid Flow Questions and Answers Graded A+ Intensive Property Property that is Independent of mass? Intensive Properties What type of properties are viscosity, electrical resistance, thermal conductivity, specific volume, pressure, and temp? Extensive Property What type of property depends on mass of sample? Extensive Properties What type of properties are volume, mass, and energy? solid, liquid, and gas What are the 3 basic phases? Phase What is a quantity of matter t...

Describe how a solid undergoes melting - ANSWER-The energy from the heat source will make the solid particles vibrate faster and faster to a point that their forces of attraction loss their strength and the particles are able to move around. Melting point - ANSWER-The temperature at which a solid becomes a liquid Describe what happens when a liquid undergoes freezing - ANSWER-The particles will move around slowly to the point where the forces of attraction between the particles will hold t...

Which of the following questions is the student investigating? What effect do different concentration of solute have on freezing point Which of the following body systems breaks down protein into Amino Acids? Digestive Which structure in male reproductive system secretes fluid and protects sperm? Prostate gland Which of the following describes the function of a Neuron? Transmits Sensory Information Which occurs during Thermoregulation to Increase body temperature Body shivers Whic...

Of the following only,_________ is an extensive property. -Temperature -Boiling point -Freezing point -Density -Volume correct answer: Volume In the following list, only __________ is not an example of a chemical reaction. -the production of hydrogen gas from water -chopping a log into sawdust -the tarnishing of a copper penny -burning a plastic water bottle -charging a cellular phone correct answer: chopping a log into sawdust In which of the following numbers ar...