PORTAGE LEARNING CHEM 103 MODULE 1 ACTUAL EXAM WITH QUESTIONS AND CORRECT VERIFIED ANSWERS GRADED A+ || 100% GUARANTEED PASS NEWEST VERSION

PORTAGE LEARNING CHEM 103 MODULE 1 ACTUAL EXAM WITH QUESTIONS AND CORRECT VERIFIED ANSWERS GRADED A+ || 100% GUARANTEED PASS NEWEST VERSION The 3 domains of chemistry - Answer ️macroscopic, microscopic, symbolic macroscopic domain - Answer ️the realm of everyday objects large enough to be sensed directly by human sight or touch microscopic domain - Answer ️the realm of objects that are too small to be sensed directly, visited in the imagination or visible through microscopes, etc symbolic domain - Answer ️specialized language used to represent components of the macroscopic and microscopic domains abbreviation for gas - Answer ️(g) abbreviation for solid - Answer ️(s) abbreviation for liquid - Answer ️(l) 3 basic parts of a measurement - Answer ️- a number - size or magnitude of the measurement - a unit - standard comparison for the measurement - an indication of uncertainty International system of units (SI Units) - Answer ️standard set of units agreed upon by the scientific community updated version of the metric system composed of several fundamental properties Length (unit, unit symbol) - Answer ️meter, m Tempurature (unit, unit symbol) - Answer ️kelvin, K (always capitol K, don't need "degree") Also allowed: degree Celcius, °C Time (unit, unit symbol) - Answer ️second, s also allowed: hours, days, years Mass (unit, unit symbol) - Answer ️kilogram, kg gram is the base unit, but kilogram is the SI Unit electric current (unit, unit symbol) - Answer ️ampere, A amount of substance (unit, unit symbol) - Answer ️mole, mol luminous intensity (unit, unit symbol) - Answer ️candela, cd volume (unit, unit symbol, definition) - Answer ️cubic meter, m^3 also allowed: - cubic decimeter, dm^3 - cubic centimeter, cm^3 measure of the amount of space occupied by an object cubic decimeter also known as - Answer ️liter, L cubic centimeter also know as - Answer ️mL healthcare professionals abbreviate as: cc density (unit, unit symbol, definition) - Answer ️kg per cubic meter, kg/m^3 For solids and liquids: - grams per cubic centimeter, g/cm^3 - grams for milliliter, g/mL for gases: grams per liter, g/L The ratio of the mass of a sample of the substance to its volume Calculation of density - Answer ️Density=mass/volume calculation of mass - Answer ️mass=density x volume Calculation of Volume - Answer ️volume=mass/Density exact number - Answer ️derived from counting and numbers of defined quantities, no uncertainty uncertain measurement - Answer ️quantities derived from measurements other than counting, have inherent uncertainty due to the limitations of the measurement process uncertainty - Answer ️estimate of amount by which measurement differs from true value meniscous - Answer ️lowest point on the curved surface of the liquid where to measure the volume of a liquid in a graduated cylinder - Answer ️make a reading at the bottom of the meniscus