FALL 2022 COMPREHENSIVE SCRIPT 2026
COMPLETE QUESTIONS AND SOLUTIONS
GRADED A+
⩥ surface tension. Answer: the measure of difficulty to stretch of break
the surface of liquid
⩥ specific heat/heat capacity. Answer: heat energy required to change
the temperature by a given amount
-water has a high heat capacity
⩥ heat. Answer: the transfer of thermal energy from a warm body to a
cold body
⩥ temperature. Answer: measurement of the movement of molecules
⩥ evaporative cooling. Answer: evaporating liquids draw heat away
from the remaining surface
⩥ solution. Answer: a liquid consisting of two or more substances mixed
uniformly
,⩥ solvent. Answer: the dissolving agent
-breaks apart agent
⩥ solute. Answer: the dissolved agent
-is broken down
-universal solvent
-only works with ionic bonds
⩥ acid. Answer: donates hydrogen ions (H+) within a solution
-typically sour taste
⩥ base. Answer: accepts H+ within a solution
-slippery to the touch
-tastes bitter
⩥ pH. Answer: potential of hydrogen
-a measure of the acidity or basicity of an aqueous solution
⩥ pH scale. Answer: a scale that describes how basic or acidic a solution
is
, ⩥ **organic compound. Answer: a covalently bonded compound that
contains carbon, excluding carbonates and oxides
⩥ carbon. Answer: extremly stable bc it has 4/8 valence shells filled
-forms double bonds
⩥ carbon backbone/skeleton. Answer: carbons that make the foundation
of organic compounds
-can vary by length, branched/unbranched, ring/straight, single or double
bonds
⩥ isomer. Answer: compounds with same chemical formula but different
structural arrangements
⩥ functional group. Answer: part of the molecule that is responsible for
the characteristics of its chemical reactions
⩥ macromolecules. Answer: large molecules made by the joining of
smaller units
-not lipids
⩥ polymers. Answer: long molecules consisting of many
identical/similar building blocks