Exam (elaborations)
CHEM-120 CHAMBERLAIN FINAL EXAM with correct answers 100% verified
- Course
- CHEM 120
- Institution
- Chamberlain College Of Nursing
CHEM-120 CHAMBERLAIN FINAL EXAM with correct answers 100% verified
[Show more]
Content preview
CHEM-120 CHAMBERLAIN FINAL EXAM withcorrect answers 100% verified
Chemistry - ** VERIFIED ANSWERS🔰 ✔✔The study of the properties of matter and how
matter changes
Basic Unit in Chemistry - ** VERIFIED ANSWERS🔰 ✔✔atom
Types of Chemistry - ** VERIFIED ANSWERS🔰 ✔✔Green Chemistry
Sustainable Chemistry
green chemistry - ** VERIFIED ANSWERS🔰 ✔✔uses materials and processes that are
intended to prevent or reduce pollution at its source
replacing rare hazardous with more abundant less hazardous
Example of green chemistry - ** VERIFIED ANSWERS🔰 ✔✔replacement of mercury
fluorescent light bulbs with efficient mercury free light bulbs
Green Chemistry Solar Fuels - ** VERIFIED ANSWERS🔰 ✔✔sunlight is abundant source
of energy
plants store solar energy as chemical energy via photosynthesis
artificial photosynthesis - ** VERIFIED ANSWERS🔰 ✔✔can be used to generate hydrogen
fuel
H fuel can then be reacted with O to produce heat and electricity
water---->hydrogen + oxygen
,sustainable chemistry - ** VERIFIED ANSWERS🔰 ✔✔designed to meet the needs of the
present generation without compromising the needs of future generations
Matter - ** VERIFIED ANSWERS🔰 ✔✔Anything that has mass and takes up space
mass - ** VERIFIED ANSWERS🔰 ✔✔A measure of the amount of matter in an object
weight - ** VERIFIED ANSWERS🔰 ✔✔A measure of the gravitational force exerted on the
matter of an object.
Classes of Matter - ** VERIFIED ANSWERS🔰 ✔✔Solids, Liquids, Gas
Solid - ** VERIFIED ANSWERS🔰 ✔✔Definite shape and volume
vibration
ice, brick, wood,
liquid - ** VERIFIED ANSWERS🔰 ✔✔A state of matter that has no definite shape but has
a definite volume.
move in irregular pattern
petrol, vinegar, paint, water
gas - ** VERIFIED ANSWERS🔰 ✔✔A state of matter with no definite shape or volume
freely move continuously- far apart
helium, oxygen, carbon monoxide, hydrogen
melting point - ** VERIFIED ANSWERS🔰 ✔✔The temperature at which a solid becomes a
liquid
,Vaporation - ** VERIFIED ANSWERS🔰 ✔✔Liquid to gas
boiling Point - ** VERIFIED ANSWERS🔰 ✔✔temp at which liquid escapes and becomes a
gas
condensation - ** VERIFIED ANSWERS🔰 ✔✔Gas to liquid
freezing - ** VERIFIED ANSWERS🔰 ✔✔liquid to solid
occurs at freezing point/same as melting point
Sublimation - ** VERIFIED ANSWERS🔰 ✔✔A change directly from the solid to the
gaseous state without becoming liquid
Ex: dry ice
2 categories of matter - ** VERIFIED ANSWERS🔰 ✔✔substances and mixtures
Substance - ** VERIFIED ANSWERS🔰 ✔✔A single kind of matter that is pure and has a
specific set of properties.
Substance contains - ** VERIFIED ANSWERS🔰 ✔✔Elements and Compounds
Elements - ** VERIFIED ANSWERS🔰 ✔✔A molecule composed of one kind of atom;
cannot be broken into simpler units by chemical reactions.
represented by chemical groups:
Cl, H, Mg
Compounds - ** VERIFIED ANSWERS🔰 ✔✔2 or more elements chemically combined
many exist as groups of atoms bonded together as molecules
, Atoms - ** VERIFIED ANSWERS🔰 ✔✔Building blocks of matter
smallest particle in an element
Aristotle - ** VERIFIED ANSWERS🔰 ✔✔A Greek Philosopher,
all matter is composed of 4 elements
all matter is continuous not atomistic
WEAF- water, earth, air, water
Atomos - ** VERIFIED ANSWERS🔰 ✔✔Lecuippus/democritus
point at which matter can no longer be subdivided
Mixtures - ** VERIFIED ANSWERS🔰 ✔✔A combination of two or more substances that
are not chemically combined
homogeneous mixture - ** VERIFIED ANSWERS🔰 ✔✔a mixture that is uniform in
composition; components are evenly distributed and not easily distinguished
Ex: sugar and water
heterogeneous mixture - ** VERIFIED ANSWERS🔰 ✔✔A mixture that is not uniform in
composition; components are not evenly distributed throughout the mixture
Ex: oil and water
Measurement of Matter - ** VERIFIED ANSWERS🔰 ✔✔mass
Measurements of length - ** VERIFIED ANSWERS🔰 ✔✔meters
1 m= 100 cm
1000 m=1 km
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 Fordenken. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $19.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
53340 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now