How is h2o bonded - Study guides, Class notes & Summaries
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Culinary Chemistry Exam 1 Questions and Answers 2024 Graded A.
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Culinary Chemistry Exam 1 Questions and Answers 2024 Graded A. 
A chemical process of reflux can be used to determine the amount of 
______ in foods. - ANSWER Fat 
_________ are known to build and repair tissue. - ANSWER Proteins 
The FDA allows for _______ % leeway in information reported on 
nutrition labels. - ANSWER 5 
A cheeseburger from a fast food restaurant contains 19 g of fat, 20 g 
of carbohydrate, and 28 g of protein. How many kcal of energy does 
the cheeseburger contain? (The calor...
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Biology 1201 Exam 1 Questions and Answers Already Passed
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Biology 1201 Exam 1 Questions and 
 
Answers Already Passed 
 
About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 
elements make up approximately 96% of living matter? Carbon, Hydrogen, Nitrogen, 
Oxygen 
 
What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? 6 
 
Which of these refers to atoms with the same atomic number but different atomic masses? 
Isotopes 
 
Fluorine's atomic number is 9 and its atomic mass is 19. ...
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Chem 1010- Chapter 5 book questions with complete verified solutions(GUARANTEED SUCCESS)
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approximately how much water per day is required to support the lifestyle of the average U.S. citizen, according to the U.S. Geological survey? 
100 gallons 
 
 
 
What is the shape of a water molecule? 
Bent 
 
 
 
Rank the following bonds from the most to least polar, starting with the most polar bond at the top of the list. 
H-F, P-O, C-O, C-H 
 
 
 
if the sign δ- is used to mark an atom in a covalent bond, it means that _____. (select all the options that complete the sentence correctly.) ...
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UCI Bio 93 with the Trio Final Review Questions With 100% Correct Solutions.
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Bioengernetics - Answer-How energy flows through organisms. 
ATP - Answer-Used for mechanical, transport, and chemical work. ATP is also an RNA nucleotide. 
Mechanical Work - Answer-Energy used in motor proteins and muscle cells during contractions. 
Transport Work - Answer-Energy used to move substances against their gradient. 
Chemical Work - Answer-Energy used to convey polymers into monomers. 
Gibs Free Energy - Answer-Portion of a systems energy that can preform work when temperature and 
p...
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Biology 101 exam 1 content UW Madison Questions With 100% Correct Answers.
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covalent bond - Answer-The sharing of a pair of valence electrons by two atoms. (Ex: Hydrogen, 
oxygen, water, Methane) 
Polar covalent bond - Answer-When electrons are not equally shared among the atoms within a 
bond. (Ex: water) This causes a negative and a positive side of a molecule. 
Hydrogen Bond - Answer-A type of weak chemical bond formed when the slightly positive hydrogen 
atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar 
covalent bon...
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ACS Organic Chemistry Exam Study Questions and Answers 2024 Graded A
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What is the general formula for a carbohydrate? - Cx(H2O)y 
 
How do you determine the number of stereoisomers for a given carbohydrate? - 2^n where n= number of stereocenters 
 
Distinguish between the D and L designations for carbohydrates. - In the L form the hydroxy group is on the bottom left closest to the CH2OH group in the frame of a Fischer projection 
In the D form the OH is on the bottom right 
 
What are anomers? - Diastereomers formed by the cyclization of carbohydrates (*note they ...
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ACS Gen Chem Practice Exam 77 Questions with Verified Answers,100% CORRECT
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ACS Gen Chem Practice Exam 77 Questions with Verified Answers 
 
Which is the strongest oxidizing agent? 
N a →← N a + + e - 2 . 7 1 V 
Cd →← Cd2+ + 2e- 0.40 V 
H2 →← 2H+ +2e- 0.00V 
Ag→← Ag++e- -0.80V 
(A) Na+ 
(B)H2 
(C) Cd0 
(D)Ag+ - CORRECT ANSWER Ag+ 
 
All are examples of Lewis acid-base reactions except 
Cu2+(aq) + 4NH3(aq) →← [Cu(NH3)4]2+(aq) 
HCl(g) + NH3(g) → NH4Cl(s) 
H+(aq) + OH-(aq) →← H2O(l) 
2Na(s) + Cl2(g) → 2NaCl(s) - CORRECT ANSWER 2Na + Cl2 ->...
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BIO SCI 93 Midterm #1 Exam Questions with Revised Correct Detailed Answers with Rationales Guaranteed Pass
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BIO SCI 93 Midterm #1 Exam Questions with Revised Correct Detailed Answers with Rationales Guaranteed Pass 
 
What is a hypothesis? - Answers - a testable explanation to a question (can never be proven) 
 
What is a prediction? - Answers - a statement about an uncertain event 
 
What is an experiment? - Answers - a scientific test (to show if the hypothesis was accepted or rejected), carried out in controlled conditions 
 
How is a theory different than a hypothesis? - Answers - a theory is broa...
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Chemistry Exam #3 question n answers rated A+ 2023/2024
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Chemistry Exam #3Identify each substance as an acid or a base and write a chemical equation showing how it is an acid or a base according to the Arrhenius definition. 
a.) HNO3 (aq) 
b.) NH4^+ (aq) 
c.) KOH (aq) 
d.) HC2H3O2 (aq) - correct answer a.) acid, HNO3 (aq) ----> H^+ (aq) + NO3^- (aq) 
b.) acid, NH4^+ (aq) <----> H^+ (aq) + NH3 (aq) 
c.) base, KOH (aq) ----> K^+ (aq) + OH^- (aq) 
d.) acid, HC2H3O2 (aq) <----> H^+ (aq) + C2H3O2^- 
 
In each reaction, identify the Brons...
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Chemistry 101 Ivy Tech Exam Review A+ Score Assured 2024/2025
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Chemistry 101 Ivy Tech Exam Review A+ Score Assured 2024/2025 
 
Chemistry is the study of Correct Answer: the properties and behaviors of matter 
 
Matter is .. Correct Answer: the physical material of the universe, it is anything that has mass and occupies space 
 
A property is Correct Answer: any characteristic that allows us to recognize any type of matter and to distinguish it from other types 
 
Matter is typically found as a Correct Answer: mixture of two or more substances; it is compri...
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