What is chem - Study guides, Class notes & Summaries

Chem v1/v2, AP V1/V2, HESI A2 Biology Latest Update 2024/2025| Questions and Answers| Grade A+ If a Hydrogen is in a compound, what would its oxidation number be? +1 What is the oxidation number of any simple ion? The same as charge of the ion How many kilograms are in a pound? 0.453592 kg What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) What is the conversion of Celsius to Fahrenheit? 5F=9C+160 (remember 5F because you have 5 fi...

CHEM 101 Final Ivy Tech Exam| 155 Questions With Verified Answers What is the definition of a scientific theory? Correct Answer: a model that explains the underlying reasons for observations and laws What term best describes a brief statement that summarizes many past observations and predicts new ones? Correct Answer: scientific law Which of the following is an example of a scientific law? Correct Answer: In a chemical reaction, matter is neither created nor destroyed. Which of the ...

MNG2602 Assignment 1 (COMPLETE ANSWERS) Semester 2 2024 - DUE 28 August 2024 ; 100% TRUSTED Complete, trusted solutions and explanations. For assistance, Whats-App Question 1 Consider the “human capital” highlights for 2023 presented on page 6 of the IAR. Which two sources of diversity are evident in this section? (2 marks) Question 2 Consider the Dis-Chem brand in the group profile on page 8 of the IAR. Identify and explain (theoretically) the corporate-level strategy that the Dis-Chem g...

Snead State Chem 104 Final Exam; Questions and Answers 100% Solved Consider two beakers, one containing 1.0 M HCl and the other containing 1.0 M CH3COOH. Which solution would have the lowest ph? Correct answer-1.0 M Hcl because its solution contains a higher hydronium concentration Sodium hydroxate can react with phosphoric acid in a neutralization reaction. What is the reacting ratio? Correct answer-3:1 Which of the following correctly describes what is meant by the term neutralizati...

CHEM 219 Module 2 Problem Set Principles of Organic Chemistry with Lab Gallaher Portage Learning. Score for this quiz: 10 out of 10 Submitted Jul 31 at 5:44pm This attempt took 110 minutes. Question 1 Not yet graded / 0 pts Your Answer: Define hydrocarbon. A hydrocarbon is a fully saturated chain of carbons and hydrogens Answer: Molecules composed only of the elements carbon and hydrogen. Question 2 Not yet graded / 0 pts Your Answer: What are the two major classes of hydrocarbon co...

Human Anatomy Exam 1 Questions and Answers 100% Pass What is the difference between human anatomy and human physiology ? Human Anatomy is the study of human body structure and relationship... Human physiology is the study of body functions. Name the 3 subdivisions of Human Anatomy 1. Gross Anatomy 2. Microscopic Anatomy 3. Developmental Anatomy (Changes over time Describe one of the subdivisions of human anatomy (Gross Anatomy) It is the study of macroscopic body structures (do NOT need micros...

CHEM 120 Final Exam 1. (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): (Points : 5) 2. (TCO 1) How many mL are in 3.5 pints? Show your work. (Points : 5) 3. (TCO 3) What is the name of the following compound: Zn3P2? (Points : 5)

Chem 219: Module 2 Exam Questions With 100% Correct Answers What are hydrocarbons? - answerMolecules composed of only the elements carbon and hydrogen What are the two major classes of hydrocarbons? - answerAromatic (benzene) and aliphatic (alkanes, alkenes, alkynes) What is the main source of hydrocarbons? - answerFossil fuels like coal, petroleum, and natural gas obtained by mining and drilling. What are Alkanes? - answerThey are saturated hydrocarbons because their skeleton is only c...

Chem 130 Exam 1 Umich Questions & Answers 2023/2024 law of conservation of mass - ANSWER-total mass of materials is not affected by a chemical change; mass cannot be created or destroyed natural law - ANSWER-summary of measurable behavior (what happens) theory - ANSWER-explanation of a natural phenomenon based on many observations and investigations over time law of definite proportions - ANSWER-a given compound always contains exactly the same proportion of elements by mass who...

CHEM 104 Final Practice Questions & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)