General Chemistry 111 Final Exam Prep Questions And Answers Rated A+ New Update Assured Satisfaction

→C - Answer-(°F-32°F)*(5°C/9°C) C→F - Answer-(9°C/5°C)*°(°C)+32°F C→K - Answer-°C+273.15 tera- or "T" - Answer-10¹² m or 1,000,000,000,000 giga- or "G" - Answer-10⁹ m or 1,000,000,000 mega- or "M" - Answer-10⁶ m or 1,000,000 kilo- or "k" - Answer-10³ m or 1,000 deci- or "d" - Answer-10⁻¹ m or 1/10 centi- or "c" - Answer-10⁻² m or 1/100 milli- or "m" - Answer-10⁻³ m or 1/1000 micro- or "greek lowercase mu" - Answer-10⁻⁶ m or 1/1000,000 nano- or "n" - Answer-10⁻⁹ m or 1/1,000,000,000 pico- or "p" - Answer-10⁻¹² m or 1/1,000,000,000,000 scientific method - Answer-systematic approach to research hypothesis - Answer-tentative explanation for a set of observationslaw - Answer-consise verbal or mathematical statement of a relationship between phenomena that is always the same under the same conditions theory - Answer-unifying principle that explains a body of facts and/or those laws based that are based on them chemistry - Answer-study of matter and the changes it undergoes substance - Answer-matter that has a definite or constant composition and distinct properties mixture - Answer-combination of two or more substances in which the substances retain their distinct identities homogeneous mixture - Answer-composition of the mixture is the same throughout the solution, after sufficient stirring heterogeneous mixture - Answer-composition of mixture is not uniform element - Answer-substance that cannot be separated into simpler substances by chemical means compound - Answer-a substanec composed of two or more elements chemically united in fixed proportions extensive property - Answer-depends on how much matter is being considered intensive - Answer-does not depend on the amount of matter being considered weight - Answer-force that gravity exerts on an object significant figures - Answer-the meaningful digits in a measured or calculated quantity accuracy - Answer-how close a measurement is to the true value of the quantity that was measuredprecision - Answer-how closely two or more measurements of the same quantity agree with one another Atomic Theory - Answer-1. elements are composed of atoms, extremely small particles 2. all atoms of a given element are identical 3. compounds are composed of atoms of more than one element 4. a chemical reaction involves the separation, combination, or rearrangement of atoms, not their creation or destruction law of definite proportions - Answer-different samples of the same compound always contain elements in the same proportion by mass law of multiple proportions - Answer-if two elements can combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element are in ratios of small whole numbers law of conservation of mass - Answer-matter can be neither created nor destroyed mass number (Z) - Answer-number of protons + number of neutrons atomic number + number of neutrons periods - Answer-horizontal rows groups - Answer-vertical columns alkali metals - Answer-group 1A (ns¹) alkaline earth metals - Answer-group 2A (ns²)