Freezing point depression Study guides, Class notes & Summaries

General Chemistry II (CHEM113) ACS Final 289 Questions with Verified Answers The two states that are collectively known as the condensed states are _______. - CORRECT ANSWER solid and liquid The attractive forces that exist between all molecules and atoms, and are the forces that hold many solids and liquids together - CORRECT ANSWER intermolecular forces Intermolecular forces are only significant at _____. - CORRECT ANSWER short distances The state of a sample of matter is determine...

The indicator(s) used in the pH test region of the chemical reagent strips for urine is/are: (Choose ALL correct answers) A. methyl red B. methyl blue C. bromothymol blue D. bromothymol red - ANSWER-A & C; The indicator(s) used in the pH test region are methyl red and bromothymol blue. Typically on most chemical reagent strips for urine pH, with an increase in urinary pH, the indicators bromothymol blue and methyl red, changes from orange to green and blue. Which of the following is no...

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 II Final Exam (ACS) UVU 273 Questions with Verified Answers If the pressure of a gas is increased at constant temperature, the volume ___. - CORRECT ANSWER Decreases If the pressure of a gas is decreased at constant temperature, the volume ___. - CORRECT ANSWER Increases If the volume of a gas is decreased at constant pressure, the temperature ___. - CORRECT ANSWER Decreases P ? T ? V ? - CORRECT ANSWER Pressure does the opposite of volume. Which of the following...

1 FINAL EXAM CHEM 219 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ The speed of a wave (c) is the product of its frequency (ν) and wavelength (λ). Correct Answer: E = hv = h x c / λ nm to m or m to nm Correct Answer: 1 m / 10^9 nm or 10^9 nm / 1 m What is the maximum number of electrons that can have the quantum numbers n = 3, ℓ = 2, mℓ = -2? Correct Answer: The Pauli exclusion principle states that no two electrons in a given atom can share the sa...

ASP Exam Study Guide - Questions and Answers (Complete Solutions) Which is a specific requirement of a hot work permit program? A. Permit must be issued for only cutting operations B. Permit must be issued for all hot work operations C. Permit must be issued for only brazing operations D. Permit must be issued for only welding operations Which is a term used to describe a dust explosion? A. Depression B. Confinement C. Dispersion D. Ignition Which are the four elements necessary to start a fir...

Chem 2 ACS final Exam 115 Questions with Verified Answers Ideal gas law conditions - CORRECT ANSWER low pressure, high temperature Boyle's law - CORRECT ANSWER p1v1=p2v2 gases are highly _________ - CORRECT ANSWER compressible gases expand ________ to fill the container they are placed in - CORRECT ANSWER spontaneously the distance between molecules in gases are _____ - CORRECT ANSWER far apart in gases 1 mol of any gas at STP is - CORRECT ANSWER 22.4 liters the lighter the...

Highest: Nh3 SbH3 AsH3 PH3 The hydrides of group 5A are NH3, PH3, AsH3, and SbH3. Arrange them from highest to lowest boiling point. Dispersion What is the strongest type of intermolecular force present in H2? Co2 Identify the compound that does not have dipole-dipole forces as its strongest force. 1 and 2 Which of the following must be overcome during the boiling of acetonitrile, CH3CN? 1. dispersion forces 2. dipole-dipole forces 3. hydrogen bonds I>III&gt...

Chemistry II ACS Exam 91 Questions with Verified Answers Phase - CORRECT ANSWER a physically distinct and homogenous part of a system intermolecular forces - CORRECT ANSWER the attractive and repulsive forces among the particles-molecules, atoms or ions in a sample of matter heat of vaporization - CORRECT ANSWER the enthalpy change occurring when 1 mol of a liquid substance vaporizes heat of fusion - CORRECT ANSWER the enthalpy change occurring when 1 mol of a solid melts heat of ...

chem 210 final exam prep Questions and Correct Answers, Complete Verified Solution 2024. how can you increase a solid substance solubility in a solution? raise the temperature This term/concept describes why grocers spray fruits and vegetables periodically to make them look fresh osmosis what is the reason why icy roads are sprayed with salt in the winter time the salt lowers the temperature at which the water on the roads will freeze "Freezing Point Depression" what do we call the di...