Chemistry 111 - Study guides, Class notes & Summaries

Scientific Notation 6.2*10^4= Correct Answer-62,000 1 Liter=___mL Correct Answer-1000 mL 1 meter=___km Correct Answer-0.001km 1gram=___kg Correct Answer-0.001kg Density= Correct Answer-mass/volume Kelvin= Correct Answer-C+273 Valence Electrons Neutral= Correct Answer-group # Valence Electrons Charged= Correct Answer-(group#)-(charge) pure substance (example) Correct Answer-water, sugar, ethanol

What are the states of matter? - Solid, Liquid, Gas What is matter? - Anything that has mass and takes up space Compound - A pure substance made of two or more elements CHEMICALLY combined. Composition - THE MAKEUP OF SOMETHING heterogenous mixture - A mixture with uneven distribution of different substances, solids, liquids, gases. What is the composition of matter? - elements, compounds, and mixtures homogenous mixture - a mixture in which two or more substances are evenly mixed on ...

Chemistry 111 Chapter 6 Questions with Complete Solutions

General Chemistry 111 Final Exam Prep 143 Questions with Verified Answers F→C - CORRECT ANSWER (°F-32°F)*(5°C/9°C) C→F - CORRECT ANSWER (9°C/5°C)*°(°C)+32°F C→K - CORRECT ANSWER °C+273.15 tera- or "T" - CORRECT ANSWER 10¹² m or 1,000,000,000,000 giga- or "G" - CORRECT ANSWER 10⁹ m or 1,000,000,000 mega- or "M" - CORRECT ANSWER 10⁶ m or 1,000,000 kilo- or "k" - CORRECT ANSWER 10³ m or 1,000 deci- or "d" - CORRECT ANSWE...

Chemistry 111 Chapter 4 Exam 40 Questions with Verified Answers The role of water as a solvent (1) - CORRECT ANSWER Water is very reactive with substances in solutions. Polar Nature of water (3) - CORRECT ANSWER 1.Uneven distribution of charge 2. Covalent Bonds between diff. atoms (H2 and O2) have unequal sharing of electrons. 3. One atom attracts the electron pair more strongly (O2) Polar Bonds (4) - CORRECT ANSWER 1. a type of covalent bond 2. between atoms that differ in electr...

3 Phases of Matter Correct Answer-Solid- fixed shape, fixed volume Liquid- takes shape of container, fixed volume Gas- takes shape of container, takes volume of container Pure Substances Correct Answer-Same physical and chemical properties throughout Cannot be separated Types: Element- cannot be separated into simpler substances Ex: C, Fe, Cl, Cu, Ne, H Compound- composed of 2 or more elements bonded together in fixed proportions -can be broken down into individual elements Ex: H2O...

Which of the following is a physical property of copper? - Copper metal is ductile. It can be ulled into thin wires. how many seconds in one day? - 86,400 sec Which of the following describes a chemical property of water? - Water reacts violently with sodium metal. Which of the following is an example of a homogenous mixture? - cranberry juice Perform the following calculation and give the answer with the correct number of significant figures. 2.40 ÷ 31 - 0.077

General Chemistry 111 Exam 1|71 Questions with Verified Answers Classification of Matter - CORRECT ANSWER Elements - CORRECT ANSWER -Most basic unit of matter -Substances composed of only one type of atom -Cannot be broken down into smaller units by chemical means -Things found on the periodic table Atoms - CORRECT ANSWER Smallest chemical unit of matter or indivisible unit of an element e.g. H, O, Na Molecule - CORRECT ANSWER At least two or more atoms joined together chemicall...

Chemistry 111 Exam 1 Questions with Complete Solutions

Thermodynamics Correct Answer-the study of energy and its transformations potential energy Correct Answer-energy stored due to an object's position or arrangement kinetic energy Correct Answer-the energy an object has due to its motion Transfer of energy Correct Answer-occurs when one object gives some or all of its energy to another object. Appears as work (force w) or heat (friction q) Define the surroundings and system Correct Answer-system--> part we focus one surr.--> ...