Exam (elaborations)
AAMI INTRO TO CHEMISTRY UNIT #7 EXAM QUESTIONS AND ANSWERS
- Course
- Institution
AAMI INTRO TO CHEMISTRY UNIT #7 EXAM QUESTIONS AND ANSWERS
[Show more]
Content preview
AAMI INTRO TO CHEMISTRY UNIT #7EXAM QUESTIONS AND ANSWERS
Energy - Answer-the ability of a system or material to do work.
Potential - Answer-the energy of position.
Potential - Answer-this is stored energy or the energy at rest.
Kinetic - Answer-the energy of motion.
Kinetic - Answer-the energy of a body by virtue of its own motion.
Chemical - Answer-the energy produced by a chemical reaction.
Fuels - Answer-what is an example of a chemical reaction?
Heat - Answer-the energy produced by friction or fire.
Light - Answer-the energy as a result of solar energy.
Electrical - Answer-the energy obtained from or produced by electricity.
Nuclear - Answer-the energy contained in the nucleus of an atom.
Law of Conservation of Energy - Answer-states that in any chemical or physical change,
energy is neither created nor destroyed by merely transformed from one form to
another.
True - Answer-all changes in matter are accompanied by changes in energy. T/F
Receivers - Answer-non-metals are electron __________
Negative - Answer-what type of electrons do nonmetals gain in a chemical reaction?
Negative - Answer-what type of ions are nonmetals?
Oxygen - Answer-what is the most abundant element of earth?
21% - Answer-what percentage of atmospheric air does oxygen make up?
Diatomic - Answer-what type of molecule is oxygen?
Oxygen - Answer-what is a great oxidizing agent?
, False - Answer-oxygen doesn't support combustion. T/F
Rapid Oxidation - Answer-what is combustion also known as?
Heat, Light - Answer-what are the energy forms used in rapid oxidation?
Spontaneous Combustion - Answer-a reaction that occurs without any input of energy
from the environment.
Kindling Temperature - Answer-the temperature at which something will ignite.
Oxygen - Answer-oxidation is the addition of _______ to a compound or element.
Electrons, Positive - Answer-oxidation is the giving up of ______ from an atom,
increasing the _______ valence.
Removal - Answer-oxidation is the ______ of hydrogen from a compound.
Reduction - Answer-the reverse of oxidation.
Reverse - Answer-what type of reactions are oxidation and reduction?
Oxygen - Answer-reduction is the removal of _____ from a compound.
Positive Valence - Answer-reduction is the addition of electrons to an atom, decreasing
the _________
Addition - Answer-reduction is the _______ of hydrogen to a compound or element.
Reduction - Answer-what can be defined as the building up of water?
Hydrogen - Answer-what is the most abundant element in the universe?
False - Answer-Hydrogen supports combustion. T/F
Water Former - Answer-hydrogen is considered a?
Chlorine - Answer-which halogen is most important to us?
Chlorine - Answer-which halogen is used in the purification of city water supplies?
BCME - Answer-a carcinogen potentially produced when formaldehyde and sodium
hypochlorite come into contact with each other.
Bleach - Answer-Na(OCI)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83750 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now