Expert1
Welcome to Expert1 – Your Trusted Study Partner!
Struggling to prepare for exams or ace your coursework? At Expert1, I provide top-tier, exam-ready study materials designed to help you succeed with confidence. All notes are created with clarity, precision, and a deep understanding of the curriculum to ensure you save time and score high.
What You’ll Find Here:
High-quality summaries and exam packs
Past paper solutions with detailed explanations
Notes aligned with your syllabus (A-levels, university, etc.)
Resources from top-performing students
Trusted by hundreds of students to boost their grades!
- 7286
- 0
- 677
Community
- Volgers
- Volgend
6 Ontvangen beoordelingen
7963 items
ACS General Chemistry - Redox & Electrochemistry Questions and Correct Answers/ Latest Update / Already Graded
What is the product in all reactions between strong acids and strong bases? Ans: Water What is the Arrhenius acid-base definition? Ans: An acid is a substance with H in its formula that dissociates in water to produce H3O+. A base is a substance with OH in its formula that dissociates in water to produce OH-. How does neutralization occur in Arrhenius acids and bases? Ans: The H3O+ and OH- combine to form H2O. What does a large Ka indicate? Ans: Stronger acid, ...
- Tentamen (uitwerkingen)
- • 15 pagina's •
What is the product in all reactions between strong acids and strong bases? Ans: Water What is the Arrhenius acid-base definition? Ans: An acid is a substance with H in its formula that dissociates in water to produce H3O+. A base is a substance with OH in its formula that dissociates in water to produce OH-. How does neutralization occur in Arrhenius acids and bases? Ans: The H3O+ and OH- combine to form H2O. What does a large Ka indicate? Ans: Stronger acid, ...
ACS GEN CHEM 1 FINAL Questions and Correct Answers/ Latest Update / Already Graded
the physical material of the universe. It is anything that has mass and occupies space. Ans: Matter is made up of relatively few elements. Ans: Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). Ans: Atom Each _______ is made of the same kind of atom Ans: Element Combination of atoms held together in specific shapes Ans: Molecule All rights reserved © 2025/ 2026 | Page | 2 No fixed volume or s...
- Tentamen (uitwerkingen)
- • 31 pagina's •
the physical material of the universe. It is anything that has mass and occupies space. Ans: Matter is made up of relatively few elements. Ans: Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). Ans: Atom Each _______ is made of the same kind of atom Ans: Element Combination of atoms held together in specific shapes Ans: Molecule All rights reserved © 2025/ 2026 | Page | 2 No fixed volume or s...
ACS First Year Chemistry Exam Questions and Correct Answers/ Latest Update / Already Graded
ionization energy Ans: the amount of energy required to remove an electron from an atom. - increases from bottom left to top right atomic radius Ans: distance from center to edge of an atom. - decreases from bottom left to top right electronegativity Ans: how much an atom "pulls" on electrons in a bond. - increases from bottom left to top right metallic character Ans: how easily an atom gives up electrons to form a positive ion. - decreases from bottom left t...
- Tentamen (uitwerkingen)
- • 16 pagina's •
ionization energy Ans: the amount of energy required to remove an electron from an atom. - increases from bottom left to top right atomic radius Ans: distance from center to edge of an atom. - decreases from bottom left to top right electronegativity Ans: how much an atom "pulls" on electrons in a bond. - increases from bottom left to top right metallic character Ans: how easily an atom gives up electrons to form a positive ion. - decreases from bottom left t...
ACS Chemistry 131 FINAL EXAM Questions and Correct Answers/ Latest Update / Already Graded
Atomic Structures Ans: Know all the problems except #7,14,15 When looking at the atomic structure what does the left-hand subscript represent Ans: Left hand subscript = atomic number When looking at the atomic structure what does the left-hand superscript represent Ans: The mass number Where on the atomic structure would we find the ionic change (if the isotope has one) Ans: On the right hand super-script The mass number = a combination of what two thing
- Tentamen (uitwerkingen)
- • 9 pagina's •
Atomic Structures Ans: Know all the problems except #7,14,15 When looking at the atomic structure what does the left-hand subscript represent Ans: Left hand subscript = atomic number When looking at the atomic structure what does the left-hand superscript represent Ans: The mass number Where on the atomic structure would we find the ionic change (if the isotope has one) Ans: On the right hand super-script The mass number = a combination of what two thing
ACS Chemistry 101 & 102 Final Exam Review Questions and Correct Answers/ Latest Update / Already Graded
What is the difference between a homogeneous and heterogeneous mixture? Can they be separated? Ans: A homogeneous mixture is a uniform composition throughout whereas a heterogeneous mixture has other substances. They can be separated but through physical processes. What is the difference between a physical and chemical property? Physical vs chemical change? Ans: A physical property is one that can be determined without changing the identity of the matter. A p...
- Tentamen (uitwerkingen)
- • 14 pagina's •
What is the difference between a homogeneous and heterogeneous mixture? Can they be separated? Ans: A homogeneous mixture is a uniform composition throughout whereas a heterogeneous mixture has other substances. They can be separated but through physical processes. What is the difference between a physical and chemical property? Physical vs chemical change? Ans: A physical property is one that can be determined without changing the identity of the matter. A p...
AAMI Introduction to Chemistry Final Questions and Correct Answers/ Latest Update / Already Graded
Chemistry Ans: science that investigates the composition & structure of matter, the charges matter undergoes (physical + chemical) Inorganic chemistry Ans: branch of chemistry that studies lifeless or inanimate matter, includes a study of all elementary substances located on the periodic table Organic chemistry Ans: branch of chemistry that studies covalently bonded carbon based compounds Covalent bond Ans: a chemical bond in which a pair of electrons is shared...
- Tentamen (uitwerkingen)
- • 51 pagina's •
Chemistry Ans: science that investigates the composition & structure of matter, the charges matter undergoes (physical + chemical) Inorganic chemistry Ans: branch of chemistry that studies lifeless or inanimate matter, includes a study of all elementary substances located on the periodic table Organic chemistry Ans: branch of chemistry that studies covalently bonded carbon based compounds Covalent bond Ans: a chemical bond in which a pair of electrons is shared...
AAMI Intro to Chem Midterm Review Questions and Correct Answers/ Latest Update / Already Graded
What does the prefix "centi-" represent? Ans: 1/100 What is chlorine's class? Ans: Halogen Normal human body temperature on the celsius scale is Ans: 37 Ag is the symbol for Ans: Silver The study of the physical and chemical changes in the human body that are caused by the process of death is Ans: Thanatology Nitrate has ____ oxygen atoms and nitrite has ____ oxygen atoms. All rights reserved © 2025/ 2026 | Page | 2 Ans: 3,2 The quantity of heat necessary ...
- Tentamen (uitwerkingen)
- • 27 pagina's •
What does the prefix "centi-" represent? Ans: 1/100 What is chlorine's class? Ans: Halogen Normal human body temperature on the celsius scale is Ans: 37 Ag is the symbol for Ans: Silver The study of the physical and chemical changes in the human body that are caused by the process of death is Ans: Thanatology Nitrate has ____ oxygen atoms and nitrite has ____ oxygen atoms. All rights reserved © 2025/ 2026 | Page | 2 Ans: 3,2 The quantity of heat necessary ...
AAMI Intro to Chemistry Questions and Correct Answers/ Latest Update / Already Graded
What is the Valence of Ne? Ans: 0 The chemical symbol for Mercury is Ans: Hg T/F THE CALORIE IS THE STANDARD UNIT OF HEAT. Ans: True NITRATE HAS _____ OXYGEN ATOMS AND NITRITE HAS _____ OXYGEN ATOMS. Ans: 3,2 THE PREFIX "MICRO-" EQUALS: Ans: 1/1,000,000 THE STANDARD UNIT OF VOLUME IS THE ___________. All rights reserved © 2025/ 2026 | Page | 2 Ans: Volume THE COMBINING CAPACITY OF AN ELEMENT IS KNOWN AS ITS ____________. Ans: Valence
- Tentamen (uitwerkingen)
- • 64 pagina's •
What is the Valence of Ne? Ans: 0 The chemical symbol for Mercury is Ans: Hg T/F THE CALORIE IS THE STANDARD UNIT OF HEAT. Ans: True NITRATE HAS _____ OXYGEN ATOMS AND NITRITE HAS _____ OXYGEN ATOMS. Ans: 3,2 THE PREFIX "MICRO-" EQUALS: Ans: 1/1,000,000 THE STANDARD UNIT OF VOLUME IS THE ___________. All rights reserved © 2025/ 2026 | Page | 2 Ans: Volume THE COMBINING CAPACITY OF AN ELEMENT IS KNOWN AS ITS ____________. Ans: Valence
AAMI Embalming Chemistry Week 5 Questions and Correct Answers/ Latest Update / Already Graded
Since proteins are made up of amino acids you can say they are ________ of amino acids Ans: polymers The sequence of amino acids in a protein is defined by a _____ and is "written" in the genetic code. Ans: gene Since the body cannot make the other nine amino acids, we get them by eating protein-rich foods. These type of protiens are called Ans: essential The smallest identifiable protein molecule is a single amino acid molecule called Ans: Glycine All rights rese...
- Tentamen (uitwerkingen)
- • 11 pagina's •
Since proteins are made up of amino acids you can say they are ________ of amino acids Ans: polymers The sequence of amino acids in a protein is defined by a _____ and is "written" in the genetic code. Ans: gene Since the body cannot make the other nine amino acids, we get them by eating protein-rich foods. These type of protiens are called Ans: essential The smallest identifiable protein molecule is a single amino acid molecule called Ans: Glycine All rights rese...
AAMI Embalming Chemistry Week 8 Questions and Correct Answers/ Latest Update / Already Graded
INDEX Ans: is the amount of formaldehyde gas (grams) dissolved in 100 ml. of water Strong / Hardening / Firming: Ans: causes rapid tissue coagulation and fixation with a definite degree of firmness used for problem cases and more difficult to firm bodies improper use may cause an excessive degree of dehydration . index of 26 - 36 Medium / Semi-hardening / Semi-firming: Ans: produces moderate, slow-forming flexible firmness with little dehydration used for routine...
- Tentamen (uitwerkingen)
- • 13 pagina's •
INDEX Ans: is the amount of formaldehyde gas (grams) dissolved in 100 ml. of water Strong / Hardening / Firming: Ans: causes rapid tissue coagulation and fixation with a definite degree of firmness used for problem cases and more difficult to firm bodies improper use may cause an excessive degree of dehydration . index of 26 - 36 Medium / Semi-hardening / Semi-firming: Ans: produces moderate, slow-forming flexible firmness with little dehydration used for routine...
Certified Healthcare Interpreter (CCHI) Exam – Complete Study Guide with Vocabulary, Questions & Answer Keys
Multifamily Housing Specialist Certification – Quadel, HUD Compliance Training – Complete Exam Material
FCIC/NCIC Certification Questions and Correct Answers (2025/2026) | Criminal Justice Information Systems, Officer Use, and Legal Procedures
CLEAN Certification Exam – Questions and Correct Answers (2025/2026) | Criminal Justice Network Access, NCIC Usage, and Record Management
BKAT Study Questions and Correct Answers/ Latest Update / Already Graded