Chemistry (Semester 2) Final Exam Questions and Answers Flashcards

a statement that uses chemical formulas to show the identities and relative amounts of the substances of a chemical reaction - -chemical equation -a starting substance in a chemical reaction - -reactant -as the temperature of a gas increases, the pressure also increases if the volume remains constant - -gay lussacs law -liquids are less fluid than gases because - -their intramolectular forces are stronger -identify the type of chemical reaction shown here- 2C2H6(g) + 7O2 (g) --- 4CO2(g) + 6H2O(l) - -combustion -identify the type of chemical reaction shown here- CO2(g) +CaO(s) --- CaCO3(s) - -synthesis -at standard temperature and pressure, one mole of any gas occupies _________ of space - -22.4L -identify the type of chemical reaction shown here, 2H20(l) --- 2H20(l) + O2(g) - -decomposition -when the volume of a gas is increased, what happens to the pressure within the gas if the volume is constant - -pressure decreases -one atmosphere of pressure is equivalent to - -101.3kPa