Vaster

What is the device shown below? - ANSWER-The device is used to carry away dangerous gases in a hood What is the flask with the line on its neck used for accurate volume measuring? - ANSWER-volumetric flask Why is glass so often used as a material for lab containers? - ANSWER-Because it is not reactive with most lab chemicals What is the metal device used to hold hot containers - ANSWER-tongs What is the device used to smother small fires? - ANSWER-a fire blanket is used to smother sm...

Dalton's Atomic Theory - ANSWER-- Element composed of indivisible (but really divisible) particles called atoms - All atoms of an element show the same chemical properties - Atoms of different elements have different properties - Compounds are formed when atoms of two or more elements combine - In compounds, the relative number of atoms of each kind are definite and constant - No atom of any element disappears - Reactions involve changing the way in which atoms are joined together Atom...

2.63 times 10^7 - ANSWER- 4.56 times 10^-6 - ANSWER-0. 1 foot - ANSWER-12 inches 10 decimeters - ANSWER-1 meter 1000 milliliters = ____ liters - ANSWER-1 liter 1 gallon = ____ quarts - ANSWER-4 quarts 1 kilogram = ____ grams - ANSWER-1,000 grams 1 pound = ____ ounces - ANSWER-16 ounces 100 centigrams = ___ grams - ANSWER-1 gram Celsius to Kelvin - ANSWER-K = C + 273 Kelvin to Celsius - ANSWER-C=K-273 Fahrenheit to Celsius - ANSWER-C=(F-32)/1.8 Celcius to Fahre...

For exponential numbers if the sign is neagtive that means the number is ? - ANSWER-*smaller* than 1 For exponential numbers if the sign is postive that means the number is ? - ANSWER-*bigger* than 1 To convert *kalvin temp* to *centigrade temp* you must? - ANSWER-*subtract 273* To convert *centigrade* to *kalvin* degree we must ? - ANSWER-*add 273* To convert *F* to *C* you must ? - ANSWER-*subtract 32 and divide by 1.8* To convert *C* to *F* you must? - ANSWER-*multiply by 1.8 a...

1 pound= ____ grams - ANSWER-453.6 1 pound= ____ ounces - ANSWER-16 1 inch= ____ centimeters - ANSWER-2.54 1 foot= ____ inches - ANSWER-12 1 mile= ____feet - ANSWER-5280 1 mile= ____ km - ANSWER-1.609

STP - ANSWER-P= 1 atm T= 0 degrees C, (273K) V= @ STP 1 mol of gas occupies 22.4L of volume standard state of Sulfur - ANSWER-S8 (s) standard state of phospohorus - ANSWER-P4 (s) standard state of carbon - ANSWER-C (s, graphite) standard state of mercury - ANSWER-Hg (l)

Chemical Reaction - ANSWER-A process that involves changing the ways atoms are grouped. Chemical Equation - ANSWER-A way to represent a chemical reaction. Reactants - ANSWER-The chemicals present before the reaction (to the left of the arrow). Products - ANSWER-The chemicals formed by the reaction (after the arrow). Precipitation Reaction - ANSWER-A reaction that forms a solid when two solutions are mixed. Acid - ANSWER-A substance that produces H+ ions (protons) when it is dissol...

Celsius to Kelvin - ANSWER-Add 273.15 Kelvin to Celsius - ANSWER-Subtract 273.15 1 mL - ANSWER-1 cm 3 1 L - ANSWER-1 dm 3 Giga- - ANSWER-10^9 Mega- - ANSWER-10^6 Kilo- - ANSWER-10^3 Deci- - ANSWER-10^-1 Centi- - ANSWER-10^-2 Milli- - ANSWER-10^-3 Micro- - ANSWER-10^-6 Nano- - ANSWER-10^-9 Pico- - ANSWER-10^-12 Femto- - ANSWER-10^-15 Atomic number - ANSWER-number of protons in the nucleus Mass number - ANSWER-number of protons and neutrons in the nucle...

What is a binary compound? - ANSWER-Two different kinds of elements: a metal and non metal What does ionic mean? - ANSWER-Non-metal How do your figure out the charges of non-metals? - ANSWER-Group number in the periodic table - 8 How do you figure out the charges of a metal? - ANSWER-Positive group number What is a binary molecular compound? - ANSWER-Contains 2 elements that are 2 non mental Ex: (BCl3) Boron Trichloride, (P2O3) diPhosphorus, (SF6) Sulfur hexafluoride Mono - ANSWE...

Pre-Class Activities - ANSWER-Pre-class activities are due at the start of your whole-class session Post-Class Activities - ANSWER-OWL2 are due on Monday at 11 AM Labs - ANSWER-Lab reports are due at the end of lab Pre-Lab Quizzes are due on Monday at 11 AM Exams - ANSWER-Exam I (Wednesday, October 2) Exam II (Wednesday, October 30) Exam III (Monday, November 25) Final Exam (Thursday, December 19, 5:05 - 7:05 PM) Quizzes - ANSWER-You have 8 quizzes and 3 midterms and seven big id...