Chem 120 theory - Study guides, Class notes & Summaries

Ammonium Ion - correct answer NH4(+) Nitrate Ion - correct answer NO3(-) Nitrite Ion - correct answer NO2(-) Hydrogen sulfate ion - correct answer HSO4(-) Sulfate ion - correct answer SO4(2-) Phosphate ion - correct answer PO4(3-) Hydrogen carbonate - co...

CHEM 120 –2nd Combined Learning Questions and Exam with Q&A 2024 Describe the scientific method make an observation form a question form hypothesis test your hypothesis preform experiment what is the difference between hypothesis, theory, and law? hypothesis is the initial intent to explain the observation. theory is a way to explain that has lots of experimental support law is a statement that is always ture but does not explain. homogeneous vs heterogeneous mixture...

Chem 120 Final | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Significant Figure - Answer -a digit that is either reliably known or closely estimated conversion factors - Answer -relationship between two quantities expressed as a fraction (1 inch/2.45cm) element - Answer -the most basic form of matter that exists under ordinary condidtions compound - Answer -a unique, pure substance that is composed of two or more elements which are chemically combined atom - A...

Gen Chem 1 Final Exam Review with Complete Solution – Saylor Academy Questions with 100% Verified Answers Gen Chem 1 Final Exam Review with Complete Solution – Saylor Academy Questions with 100% Verified Answers 11.4 g of Na2SO4 dissolved in 400 mL of solution. What is the molarity of the solution? A) 0.2 M B) 0.5 M C) 0.4 M D) 0.1 M E) 0.3 M - Answer 0.2 M A 3.214g sample of magnesium reacts with 8.416g of bromine. The only product is magnesium bromide....

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 final exam study guide | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ chemistry - Answer -the science that tries to understand how matter behaves by studying how atoms and molecules behave scientific method - Answer -ways of learning that emphasizes observation and experimentation (self correcting) observation - Answer -we go out in nature and ask questions we measure or observe some aspect of nature hypothesis - Answer -tentative interpretation of an ob...

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 final exam study guide | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ chemistry - Answer -the science that tries to understand how matter behaves by studying how atoms and molecules behave scientific method - Answer -ways of learning that emphasizes observation and experimentation (self correcting) observation - Answer -we go out in nature and ask questions we measure or observe some aspect of nature hypothesis - Answer -tentative interpretation of an ob...

Chem 120 Final | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Significant Figure - Answer -a digit that is either reliably known or closely estimated conversion factors - Answer -relationship between two quantities expressed as a fraction (1 inch/2.45cm) element - Answer -the most basic form of matter that exists under ordinary condidtions compound - Answer -a unique, pure substance that is composed of two or more elements which are chemically combined atom - A...