Chemistry 103 - Study guides, Class notes & Summaries

Name Clas Dat : s: e: Chapter 01 - Chemistry: An Introduction 1. Define the following terms: a. science b. chemistry ANSWER: a. Science - a framework for gaining and organizing knowledge. It is a procedure for processing and understanding certain information. b. Chemistry - the science that deals with the matter of the universe and the changes it can undergo. 2. Define the following terms: a. scientific method b. natural law c. hypothesis d. theory ANSWER: a. Scientific method - ...

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 ...

The unit “m” stands for _______ in this experiment. 2. (4 points) Why was warming data used for estimating the freezing/melting point of the cyclohexane? 3. (3 points) How much of the cyclohexane solvent was placed in the test? 1.) molarity 2.) It is considered reliable. It is a dependable predicator of the freezing/melting point of a substnace. it can determine the temperatures when the change occurs. 3.) 10 mL of cyclohexane 1. molality 2. Solids tend to supercool, which gives fa...

Portage Chemistry 103 Module 2 Exam SOLUTIONS 100% CORRECT ANSWERS 2.1: MOLECULAR WEIGHT A compound is made up of two or more elements combined in a definite ratio that is represented by a molecular formula. Each of these elements has a certain atomic weight, which can be found in the periodic table. The sum of the atomic weights of the atoms in the molecular formula is called the formula weight or molecular weight or formula mass. Ca3(PO4)2 calcium phosphate Molecular Weight...

Portage Chemistry 103 Module 1 Exam SOLUTIONS 100% CORRECT ANSWERS 1.1 EXPONENTIAL NUMBERS (지수) The speed of light is 186,000 miles per second. This is 1.86 x 105 (in exponential form) The diameter of an E. coli cell is 0. meters = 8.0 x 10-7 (in exponential form) 0. A number larger than one will have a positive exponent. Move the decimal point nine places to the left to give 4.95 x 109 0.00056 A number smaller than one will have a negative exponent. Move the decimal point 1...

Portage Chemistry 103 Module 1 Exam SOLUTIONS 100% CORRECT ANSWERS 1.1 EXPONENTIAL NUMBERS (지수) The speed of light is 186,000 miles per second. This is 1.86 x 105 (in exponential form) The diameter of an E. coli cell is 0. meters = 8.0 x 10-7 (in exponential form) 0. A number larger than one will have a positive exponent. Move the decimal point nine places to the left to give 4.95 x 109 0.00056 A number smaller than one will have a negative exponent. Move the decimal point 1...

CHEM 103 Chemistry Lab Report 4 Thermochemistry (Portage learning) 2023/2024

CHEM 103 General Chemistry Module 1, 2, 3, 4, 5, 6 Exam (Latest-2023)/ CHEM103 General Chemistry Module 1, 2, 3, 4, 5, 6 Exam: Portage Learning |100% Correct Q & A|

CHEM 103 Final Exam (2 Versions, Latest-2022)/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning |Verified Q & A|