Chem 120 exam 1 2025 - Study guides, Class notes & Summaries

CHEM 120 Chamberlain EXAM 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Hypothesis a testable educated guess Experiment how we test hypotheses Variable Idea to be tested (only one) Control Something the variable is tested againstExperimental protocol How do you do the test? Results Data generated comparing variable to controls. Includes statistics to show results are meaningful

Chem 120 Exam 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Fahrenheit to Celsius Equation - Answer -C=(F-32)/1.8 Celsius to Fahrenheit Equation - Answer -F=1.8C+32 Celsius to Kelvin Equation - Answer -C=K-273.15 Kelvin to Celsius Equation - Answer -K=C+273.15 Rutherford - Answer --Nuclear Theory of the Atom - Directed Alpha particles at a thin sheet of gold and observed they did not go straight through as expected -Principles 1: Most of atom's mass is in ...

CHEM 120 Exam #1 | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ define matter - Answer -anything that has mass and takes up space what is not considered matter? - Answer -light, heat, electricity definite shape, definite volume - Answer -solid indefinite shape, definite volume - Answer -liquid indefinite shape, indefinite volume - Answer -gas pure substance - Answer -one substance; definite and constant composition; can't be separated into 2 kinds of matter by ...

CHEM 120 Exam 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Celsius formula - Answer -C= (F-32)/1.8 Kelvin formula - Answer -K=C+273.15 density formula and units - Answer -D (g/mL, g/L, Kg/m^3)= M (kg) / V (m^3, cm^3, L , mL) Precision - Answer -a measure of how close a series of measurements are to one another Accuracy - Answer -how close a measurement is to the true value Law of Conservation of Energy - Answer -En

Chem 120- Exam #1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass What is a good scientific definition of a chemical? - Answer -Chemicalany substance made up of one or more elements from the periodic table What is the difficulty in defining the chemical industry in terms of the periodic chart? - Answer -The definition of a chemical is too broad. Too much would be included in the chemical industry. What is the chief source of the chemicals known as inorganic chemic...

CHEM 120/103 MODULES EXAM 2025 FINEST MODULE 1-6 PRE PREDICTOR EXAM 100% GUARANTEED PASS

CHEM 120 Chamberlain EXAM 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Hypothesis a testable educated guess Experiment how we test hypotheses Variable Idea to be tested (only one) Control Something the variable is tested againstExperimental protocol

Chem 120 Exam 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Fahrenheit to Celsius Equation - Answer -C=(F-32)/1.8 Celsius to Fahrenheit Equation - Answer -F=1.8C+32 Celsius to Kelvin Equation - Answer -C=K-273.15 Kelvin to Celsius Equation - Answer -K=C+273.15 Rutherford - Answer --Nuclear Theory of the Atom - Directed Alpha particles at a thin sheet of gold and observed they did not go straight through as expected -Principles 1: Most of atom's mass is in ...

CHEM 120 Exam #1 | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ define matter - Answer -anything that has mass and takes up space what is not considered matter? - Answer -light, heat, electricity definite shape, definite volume - Answer -solid indefinite shape, definite volume - Answer -liquid indefinite shape, indefinite volume - Answer -gas pure substance - Answer -one substance; definite and constant composition; can't be separated into 2 kinds of matter by ...

Chem 120 Exam 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass SI unit for Temperature - Answer -C F - Answer -(9/5 C) + 32 C - Answer -5/9 (F -32) K - Answer -C+273.15 density - Answer -mass/volume 1 mL - Answer -=1cm^3 = 1cc percent error - Answer -difference from known value/known value x 100 sig fig for Addition/Subtraction - Answer -answer has the same number of decimal places as the factor with the least amount of decimal places sig fig rules for multipl...