Exam (elaborations)
Chem 120 JMU Wilson Test 1
- Module
- Chem 120 JMU Wilson Test 1
- Institution
- Chem 120 JMU Wilson Test 1
Chem 120 JMU Wilson Test 1
[Show more]
Content preview
Chem 120 JMU Wilson Test 1Fahrenheit - -1.8(C) + 32
-Celsius - -(F-32)/1.8
-Physical property - -properties can be observed without changing the
identity of the substance under observation
-Chemical property - -properties can only be observed during a change int
he identity of the substance under observation
-examples of chemical properties - -corrosive, combustible, mutagenic,
teratogenic, explosive
-examples of physical properties - -size, malleability, ductility, conductivity,
density, state of matter
-Homogenous mixture - -a mixture in which the composition is uniform
throughout
-Heterogenous mixture - -A mixture with uneven distribution of different
substances, solids, liquids, gases.
-Nuclear energy - -when nucleus of atoms breakdown
-Heat energy - -Only kinetic; speed molecules move
-Light/ radiant energy - -"microwaves"
-Chemical energy - -stored in chemical bonds
-Mechanical energy - -motion- "letting something roll"
-Electrical energy - -electrons moving through wires
-Kinetic energy - -energy produced form motion, energy that is being used
-Potential energy - -Energy that a motionless object has because of its
position or composition; available to be used
-Specific heat - -amount of energy reused to raise the temperature of 1
gram of a substance 1 degree celsius
-Specific heat formula - -q=mc∆T
, -Specific heat of water - -4.184 J/gC
-Carbohydrate and protein energy - -4 kcal/g
-Fat energy - -9 kcal/g
-Density formula - -D=m/v
-Low specific gravity - -indicates too much water in urine
- diabetes insipidus
-High specific gravity - -indicated large quantities of proteins in the urine
- inflamed kidney tubules
-Atoms - -Building blocks of matter; smallest unit of matter
-Cation - -A positively charged ion
-Anion - -A negatively charged ion
-Matter - -Anything that has mass and takes up space; exists in the electron
cloud
-Electrons - -Negatively charged particles; in the electron cloud; dictates
charge
-Proton - -positively charged particle; in nucleus; dictates atomic number
-Neutron - -no charge; in nucleus; dictates mass number
-Lewis Dot Structure - -diagram of a molecule using dots to represent
valence electrons
-Isotopes - -Atoms of the same element that have different numbers of
neutrons
-Al - -Aluminum
-Ar - -Argon
-As - -Arsenic
-Ba - -Barium
-B - -Boron
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 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 Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.71. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now