logo-home

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!

Community

  • Followers
  • Following

6 Reviews received

8121 items

CMN 548 Final Exam Study Guide Overview Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

Primary prevention Ans: Aimed at decreasing the incidence (number of new cases) of mental disorders. Example: Stress management classes for graduate students, smoking prevention classes, Drug Abuse Resistance Education (DARE) Secondary prevention Ans: Aimed at decreasing the prevalence (number of existing cases) of mental disorders. Example: Telephone hotlines, crisis intervention, disaster responses Tertiary prevention Ans: Aimed at decreasing the disability and sev...

i x
  • Exam (elaborations)
  •  • 35 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x

CHM 142 Exam 2 Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

Compounds that contain electron-rich ___ are weak bases Ans: N True or false: Amines such as CH3CH2NH2 are weak bases Ans: True Soluble hydroxides are _______ bases Ans: strong Which of the following is NOT a conjugate acid-base pair? H2S/HS- NH3/NH2- H3PO4/H2PO4- H2PO4-/PO4^3- HCO3-/CO3^2- Ans: H2PO4-/PO4^3- All rights reserved © 2025/ 2026 | Page | 2 Which is a stronger acid? HF or HBr Ans: HBr Strong acids dissociate _________ into ions in water. Ans: Comp...

i x
  • Exam (elaborations)
  •  • 10 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x

Chemistry Final ACS Exam Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

Accuracy? Ans: Closeness of measurements to the TRUE VALUE of what is being measured Precision? Ans: Closeness of a SET of measurements How do you calculate Percent Error? Ans: I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero digis significant? Ans: Nope! ex: 0.0071 is only 2 sig figs Page | 2 Are zeros at the end of a number and to the right of the decimal significant? Ans: Yep! ex: 9.100 is 4 s...

i x
  • Exam (elaborations)
  •  • 15 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x

Chemistry 1151 ACS Exam Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

solids atomic/molecular motion? atomic/molecular spacing? shape? volume? compressibility? Ans: oscillation/vibration about a fixed point close together definite definite incompressible liquids atomic/molecular motion? atomic/molecular spacing? shape? volume? All rights reserved © 2025/ 2026 | Page | 2 All rights reserved © 2025/ 2026 | compressibility? Ans: free to move relative to one another close together indefinite definite incompressib...

i x
  • Exam (elaborations)
  •  • 16 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x

Chemistry 132 ACS exam study notes Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

Where is the mass number located on an element symbol? Ans: the superscript Mass number Ans: protons + neutrons Where is the atomic number located on an element symbol? Ans: the subscript Atomic number Ans: number of protons Isotopes Ans: elements with different numbers of neutrons How to solve for an empirical formula All rights reserved © 2025/ 2026 | Page | 2 Ans: Assume percentages are grams, convert to moles, divide each number by the smallest number of moles to...

i x
  • Exam (elaborations)
  •  • 16 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x

Chemistry 112 ACS Flashcards Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

Energy (decreases/increases) with increasing wavelength? Ans: decreases Energy (decreases/increases) with increasing frequency? Ans: increases The energy gaps between levels (decrease/increase) as the energy levels increase (n=1 to n=2 to n=3, etc.) Ans: decreases The O-Si-O bond angles in SiO₂ (quartz) are closest to... Ans: 110° A molecule with 0 lone pairs and 2 bonding electron pairs would be? Ans: linear A molecule with 1 lone pair and 2 bonding electron pairs would...

i x
  • Exam (elaborations)
  •  • 12 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x

Chem 1212 ACS Final practice questions Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

Which of the following is an example of a Brønsted-Lowry base in water? A) H3O+ B) CO2 C) NH3 D) HCl Ans: NH3 What is the temperature in Fahrenheit when it is 35*C outside? A) 67 B) 95 C) 63 D) 75 Ans: 95 In a chemical equation, the reactants are on which side of the arrow? A) right All rights reserved © 2025/ 2026 | Page | 2 B) left C) neither right nor left D) both right and left Ans: Left What does the law of conservation of mass state? A) all mat...

i x
  • Exam (elaborations)
  •  • 16 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x

CHEM 1030 ACS Final Exam Study Guide Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

T or F? Non-zero numbers ARE significant Ans: True T or F? Leading zeros ARE significant. Ans: False. Leading zeros are NOT significant T or F? Zeros between non-zero numbers ARE significant Ans: True T or F? Trailing zeros are NOT significant. Ans: False. Trailing zeros ARE significant How many significant figures are in 0.050? Ans: 2 How many significant figures are in 1.0056 All rights reserved © 2025/ 2026 | Page | 2 Ans: 5 How many significant figures are in 0.0...

i x
  • Exam (elaborations)
  •  • 12 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x

CHEM 211 ACS Exam Final Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

physical properties Ans: the characteristics of a substance that can be observed or measured without changing the substance - color - melting point -electrical conducivity - density physical change Ans: A change in a substance that does not involve a change in the identity or composition of the substance Chemical properties Ans: A characteristic of a substance that appears as it interacts with, or transforms into, other substances. - flammability - corrisiveness - react...

i x
  • Exam (elaborations)
  •  • 14 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x

CHEM 111 ACS Final Questions and Correct Answers/ Latest Update / Already Graded

(0)
$13.49
0x  sold

chemistry Ans: the study of matter and how it changes matter Ans: Anything that has mass and takes up space elements Ans: molecules composed of one kind of atom; cannot be broken into simpler units by chemical reactions. atoms Ans: The basic building blocks of matter property Ans: A characteristic that defines the value, appearance, and/or state of an object. Page | 2 molecule Ans: A group of atoms bonded together gas Ans: A state of matter wit...

i x
  • Exam (elaborations)
  •  • 37 pages • 
  • by Expert1 • 
  • uploaded  2026
Quick View
i x