CHEM 120 UNIT 6 DISCUSSION OPTION 2
RADIATION TOPIC URANIUM-238 2026
COMPLETE DISCUSSION QUESTIONS AND
ANSWERS GRADED A+ FULL SOLUTION
◉ Most processes in life are ___________ ___________. Answer: chemical
reactions
◉ Examples of chem reactions: Answer: photosynthesis
baking
rusting
combustion/burning
◉ How to represent a chemical reaction: Answer: Reactants---
>products
Ex:HCl+NaOH---> NaCl + H2O
◉ States of matter: Answer: (s)-solid
(l)-liquid
(g)-gas
(aq)-aqueous
, ◉ Signs of a chemical reaction Answer: 1. Light produced
2. gas produced
3. precipitate forms from 2 things that arent sold(solid becomes
solid from 2 things that arent solid)
4. Reactants disappear
5. Temp change w/o outside help
6. Products appear
◉ Equations must follow the Law of ____________________ __ _________
Answer: Conservation of Matter
◉ Matter cannot be __________ or ___________ during a reaction Answer:
gained or destroyed
◉ For all chemical reactions, the mass of the reactants is the ______ as
the mass of the products Answer: same
◉ If an element appears in more than ____ substance on the _____ side
of the reaction, balance that one last Answer: one, same
◉ Composition/Synthesis Answer: A + B --> AB
Two reactants forming one product
RADIATION TOPIC URANIUM-238 2026
COMPLETE DISCUSSION QUESTIONS AND
ANSWERS GRADED A+ FULL SOLUTION
◉ Most processes in life are ___________ ___________. Answer: chemical
reactions
◉ Examples of chem reactions: Answer: photosynthesis
baking
rusting
combustion/burning
◉ How to represent a chemical reaction: Answer: Reactants---
>products
Ex:HCl+NaOH---> NaCl + H2O
◉ States of matter: Answer: (s)-solid
(l)-liquid
(g)-gas
(aq)-aqueous
, ◉ Signs of a chemical reaction Answer: 1. Light produced
2. gas produced
3. precipitate forms from 2 things that arent sold(solid becomes
solid from 2 things that arent solid)
4. Reactants disappear
5. Temp change w/o outside help
6. Products appear
◉ Equations must follow the Law of ____________________ __ _________
Answer: Conservation of Matter
◉ Matter cannot be __________ or ___________ during a reaction Answer:
gained or destroyed
◉ For all chemical reactions, the mass of the reactants is the ______ as
the mass of the products Answer: same
◉ If an element appears in more than ____ substance on the _____ side
of the reaction, balance that one last Answer: one, same
◉ Composition/Synthesis Answer: A + B --> AB
Two reactants forming one product