When water freezes - Study guides, Class notes & Summaries

RI Journeyman's Refrigeration License Exam Questions With Verified Solutions. The temperature scale that freezes water at 32 deg. and boils water at 212 deg. is known as the ___________ scale - answerFahrenheit The temperature scale that freezes water at 0 deg. and boils water at 100 deg. is known as the __________ scale. - answerCentigrade The definition of specific heat is _______________________ - answerthe amount of heat required to raise 1 lb of a substance 1 deg. F. The definition ...

CETP Pre-Certification Exam Questions With CORRECT ANSWERS Latest 2024 (GRADED) Propane has many advantages as a fuel source, including: A. It burns slowly because of its low pump-octane B. It is stationary and non-portable C. It is a clean-burning, non-toxic fuel D. It leaves a high-residue as it burns If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the best action is to: A. Say nothing, gather up his or her tools and supplies, and...

BCH4024 Exam 1 Purich Questions & Answers 2023/2024 Basic Structure of water - ANSWER--large dipole moment -very polar that interactions between H2O molecules are strong--high heat capacity -liquid water=H-bonds are relentlessly made and broken; thus a flickering collection of W5 structures, with extremely little W1 -each water molecule can form up to 4 H-bonds -liquid water has 3.4 H-bonds on average -ice has 4 H-bonds H-bond - ANSWER-stable interaction occurring when 2 EN atoms shar...

Propane has many advantages as a fuel source, including: - CORRECT ANS A. It burns slowly because of its low pump-octane B. It is stationary and non-portable C. It is a clean-burning, non-toxic fuel D. It leaves a high-residue as it burns If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the best action is to: - CORRECT ANS A. Say nothing, gather up his or her tools and supplies, and quietly leave the site B. Attempt to perform the t...

The most common isotope of hydrogen has one proton, no neutrons, and one electron. An isotope of hydrogen with 1 neutron would have: - Answer- an atomic number of 1 and a mass number of 2 In a covalent bond: - Answer- electrons are shared between atoms so that all atoms have full outer shells A property of a system that is present at one level of organization but absent at the levels below is called: - Answer- an emergent property An ionic bond is - Answer- weaker than a covalent bond ...

CHAPTER 3—ECOSYSTEMS: WHAT ARE THEY AND HOW DO THEY WORK? MULTIPLE CHOICE 1. Scientists estimate that tropical rain forests contain up to half of the earth’s land plants and animal species. What percentage of the world’s land surface do tropical rain forests cover? a. 2 b. 4 c. 8 d. 10 e. 12 ANS: A PTS: 1 TOP: 3-0 Core Case Study: Tropical Rain Forests Are Disappearing KEY: Bloom's: Remember NOT: New 2. The disappearance of the tropical rain forests is an import...

NREM 301 Exam 1 Questions and Answers Graded A+ What is the difference between physical and chemical weathering? Physical weathering breaks down rocks into smaller pieces without changing their chemical composition, while chemical weathering involves changes to the minerals in the rock due to reactions with water, air, or other chemicals. How does frost wedging contribute to physical weathering? Frost wedging occurs when water enters cracks in rocks, freezes, expands, and breaks the...

WGU C207 Final Self-Assessment Questions and Answers Latest Update 2023/2024. Question 1 Amanda is measuring the temperature. She looks at the thermometer and sees that it is somewhere between 65 and 66 degrees Fahrenheit. She is okay with the temperature in between two integers because she knows temperature is not data, but temperature is data. • a) Nominal, Ordinal • b) Nominal, Discrete • c) Continuous, Discrete • d) Discrete, Continuous Feedback: The correct answer is D. Te...

The temperature scale that freezes water at 32 deg. and boils water at 212 deg. is known as the ___________ scale o :## Fahrenheit The temperature scale that freezes water at 0 deg. and boils water at 100 deg. is known as the __________ scale. o :## Centigrade The definition of specific heat is _______________________ o :## the amount of heat required to raise 1 lb of a substance 1 deg. F. The definition of sensible heat is ______ o :## the heat that can be measured by a thermometer. ...

Match the process with its definition: correct answersweathering 1. the disintegration of rocks mass wasting 4. the downslope movement of broken rock material denudation 3. the lowering of the land surface erosion 2. the removal and transport of fragmented rock material When water freezes, it expands in volume. correct answerstrue Which of the following is not an example of a process of mechanical weathering? correct answershydrolysis The downslope movement of broken rock materia...