Exothermic - Samenvattingen, Aantekeningen en Examens
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WGU Biochemistry OA Questions An Answers 2022
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Bohr Effect chart (low pH) - AnswerC- High CO2 
H- High H+ 
A- Acidic 
R-Release of O2(rt. Shift) 
T- tense state (in tissues) 
 
Primary structure - AnswerSequence of amino acids that make up a protein 
 
Secondary Structure - AnswerSequence of amino acids fold. 
 
Tertiary Structure - Answer-more folding in a 3D shape. 
-R groups (side chains) 
 
Quaternary Structure - AnswerProtein has more than 1 polypeptide chain. 
 
Chemical reaction - Answer-absorb and release energy 
-activation energy 
...
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FINAL EXAM CHM 151 RIO SOLADO M.SCHAAB LATEST UPDATE GRADED A+
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FINAL EXAM CHM 151 RIO SOLADO 
M.SCHAAB LATEST UPDATE 
 
GRADED A+ 
 
What is the difference between an ionic bond and a covalent bond? 
 
 An ionic bond is formed when one atom transfers electrons to another atom, creating ions 
that attract each other. A covalent bond is formed when two atoms share electrons. 
 
How do you determine the number of valence electrons in an element? 
 The number of valence electrons can be determined by looking at the group number of the 
element in the periodic t...
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CEM 142 MSU Final Exam Questions and Answers Already Passed
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CEM 142 MSU Final Exam Questions and 
 
Answers Already Passed 
 
Does aqueous sugar conduct electricity, why or why not 
No, because there are no ions 
Does aqueous NaCl conduct electricity? 
Yes, because this is an ionic compound (metal/nonmetal) 
What is the only IMF present in non polar molecules 
London Dispersion Forces 
How does electronegativity change in the periodic table 
Electronegativity increases from left to right (with the right being most electronegative), and 
increases from bo...
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Rio Salado CHM 130 Midterm Objectives with Complete Solutions
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Rio Salado CHM 130 Midterm Objectives 
 
with Complete Solutions 
 
What is the definition of an element in chemistry? 
 An element is a pure substance consisting of only one type of atom. 
 
How is a compound different from a mixture? 
 A compound is a substance composed of two or more different elements chemically 
combined, while a mixture is a combination of two or more substances that are not chemically 
bonded. 
 
What does the term “molarity” refer to in chemistry? 
 Molarity refers t...
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IB chemistry HL Latest Version Graded A+
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IB chemistry HL Latest Version Graded 
 
A+ 
 
exothermic reaction heat is released by the system 
ΔΗ<0 
 
endothermic reaction heat is absorbed by the system 
ΔΗ>0 
 
standard enthalpy change of reaction(ΔΗ) the heat energy transferred under standard 
conditions (pressure-101.3 kPa, temperature- 298 K) 
 
combustion and neutralization are exothermic processes 
 
average bond enthalpy the energy required to break one mole of a certain type of bond in the 
gaseous state averaged acro...
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CHEM Act B5 HEAT-SI Lab Report Heat Relationships in Physical and Chemical Processes Answered 2024.
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CHEM Act B5 HEAT-SI Lab Report Heat Relationships in Physical and Chemical Processes Answered 2024. 
Act B5 HEAT-SI Lab Report Heat Relationships in Physical and Chemical Processes 
Parts I - III 
Act B5 Online URL: 

The computer will simulate a calorimetry experiment involving dissolving various ionic salts in 
water. The following compounds should be available for testing: ammonium nitrate, sodium 
nitrate, calcium nitrate, magnesium nitrate, sodium chloride, calcium chloride, ammonium 
chlor...
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TCFP Fire Investigator Ultimate Study Guide | 100% Correct Answers | Verified | Latest 2024 Version
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Is NFPA 921 a guide or a standard? - It is the Guide for Fire and Explosion Investigations 
What are the six steps of the scientific method? - 
Recognize the need 
Define the problem 
Collect the data 
Analyze the data 
Develop a hypothesis 
Test the hypothesis 
What step of the scientific method is inductive reasoning? - Analyze the data 
What step of the scientific method is deductive reasoning? - Test the hypothesis 
What are the four parts of the fire tetrahedron? - Fuel (reducing agent) 
H...
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OCR 2023 Chemistry A H032/02: Depth in chemistry AS Level Question Paper & Mark Scheme (Merged)
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OCR 2023 Chemistry A H032/02: Depth in chemistry 
AS Level Question Paper & Mark Scheme (Merged) 
(i) The uncertainty in each thermometer reading is ±0.5°C and the 
uncertainty in the measured volume of water is ±2cm3. 
Determine whether the temperature change or the measured 
volume of water has the greater percentage uncertainty - ANSpercentage uncertainty= (Absolute Uncertainty / Measured Value) 
x 100 
uncertainty of measure volume of water= 
2/200 x 100= 1 
uncertainty of temp ris...
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TCFP Firefighter I/II Chapters 1-5 Test Questions and Answers 100% Verified
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"Non-plan states" refers to states that have not adopted: 
Select one: 
A. NIMS-ICS. 
B. NFPA 1500. 
C. OSHA regulations. 
D. CFR Title 40. - Answer-C. OSHA regulations. 
A __________ device is designed for use by hearing-impaired persons. 
Select one: 
A. video 
B. display 
C. text 
D. digital - Answer-C. text 
A chemical reaction that produces heat is: 
Select one: 
A. isothermic. 
B. endothermic. 
C. thermodynamic. 
D. exothermic. - Answer-D. exothermic. 
A Class C fire involves: 
Select on...
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ABFAS boards (Rear foot and forefoot) Questions and Answers Rated A+
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Properties of Calcium phosphate antibiotic beads non exothermic 
Must use powder 
Peaks at 3 hours and then elutes over 72 hours 
120 day shelf life 
Most common 5th metatarsal fracture Avulsion fracture (about 50% of 5th met fractures) 
normal IM between 4 and 5? 
normal lateral bowing angle? IM= 6.5-9.0 
bowing angle=2.6 
What is the Myerson procedure? use of EHB in correction of HAV. 
What is biologic fixation?
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