Heat energy always - Study guides, Class notes & Summaries

Know your significant figure rules Correct Answer-ALL zeroes between non-zero numbers are ALWAYS significant. ALL zeroes which are SIMULTANEOUSLY to the right of the decimal point AND at the end of the number are ALWAYS significant. ALL zeroes which are to the left of a written decimal point and are in a number >= 10 are ALWAYS significant. define calorimetry Correct Answer-the act of measuring heat required or evolved during a chemical process know how to calculate the amount of ener...

What does a pictorial diagram show? General position and appearance of components An important characteristic of a schematic diagram is that it ________ helps you trace fluid flow A solid line on a hydraulic schematic mat represent any of the following EXCEPT a _______ line. drain Which of the following symbols is used to show that lines cross over one another? see notes The following symbols describe what hydraulic fluid? Reservoirs Hollow arrows on a sch...

phylogeny - ANSWERThe study of evolutionary relationships among organisms is called ______. Last Universal Common Ancestor - ANSWERThe three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ______. always harmful to their host - ANSWEROrganisms called parasites are ______. Thermal hot springs warmed by heat from earth's interior - ANSWERWhich of the following does not indicate microbe involvement in energy and nutrient flow? Electrons - ANSWERThe subatomic p...

CHEM 101 FINAL EXAM REAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) A GRADE Changes in energy can take place in what two forms? a. potential and kinetic energy b. heat and work d. heat and temperature c. thermofission and nucleosis - Answer b. heat and work The law of conservation of energy states that in chemical and physical changes, ___. a. Energy is not created or destroyed b. Energy is always released to the surroundings c. Exothermic changes are favored d. The univ...

Praxis II Middle School Science 5440 Latest Update Graded A+ "Zeroth" Law of Thermodynamics If systems 1 and 2 are both in equilibrium with 3, then 1 and 2 are also in equilibrium with each other. 1st Law of Thermodynamics Matter and energy are conserved (energy in = energy out) in a closed system. 2 elements - liquid at room temperature Hg, Br 2nd Law of Thermodynamics Entropy always increases in a closed system. Not all energy is transferred; some is "lost" as heat. 3r...

Hydrophobic Effect correct answers _________ is the enthalpic and entropic energies contribute to the net free energy of stabilization of globular proteins. Mass Action correct answers The following equation is the analytical version of the principle of __________________________. ΔG = ΔG'o + R T lnQ, where Q = [C'][D'] / [A'][B'] Partition coefficient [It is a perturbation to the poise/balance of the participants in an equilibrium. (Take this into account to understand a...

Portage Learning CHEM 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In ...

MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. - Correct Answer ️️ -The factors that must be controlled include temperature, humidity, air motion, dust, bacteria, odors, toxic gases, and ionization. ((Ref: 1/1)) Describe in simple terms the basic process by which a refrigerant transfers heat energy. - Correct Answer ️️ -A refrigerant is used to transfer heat when it c...

According to ASHRAE Standard 62-1989, how many cubic feet per minute of air exchange should maintain an acceptable IAQ (indoor air quality) level? - The air exchange rate should be 15 cfm per person to maintain acceptable indoor air quality in a reception area. In office space and conference rooms, the standard is 20 cfm per person. At what pH level does descaling discharge have to be before being emptied into a river or stream? - Descaling discharge emptied directly into a river or stream...

CEM 142 Exam 3 MSU Questions and Answers Rated A+ What do you know about reactions? (make a list) -Atoms are conserved. They are only re- arranged. -Properties of products are emergent (not a mixture of the reactants properties). -Reactions can be classified by the type of reaction (how it occurs). -Reactions are always accompanied by an energy change (can be exo and endo) that results from changed in interactions (bonds and IMFs) in the reactants and products. -Reactions are alway...