Exam (elaborations)
AAMI GEN 313 - INTRO TO CHEMISTRY EXAM Q&A
- Course
- Institution
AAMI GEN 313 - INTRO TO CHEMISTRY EXAM Q&A
[Show more]
Content preview
AAMI GEN 313 - INTRO TO CHEMISTRYEXAM Q&A
What is the movement of molecules in solution from an area of greater to lesser
concentration until uniform concentration is reached? - Answer-Diffusion.
What is the abbreviation of the name in an element? - Answer-Symbol.
What force occurs at the interfaces of solutions and cell membranes limiting the
diffusion of embalming chemicals into the tissues by contracting the surface of the
solution? - Answer-Surface Tension.
What is the standard unit of volume? - Answer-Liter.
What is defined as anything having mass and occupying space? - Answer-Matter.
What is a liquids resistance to flow? - Answer-Viscosity.
What is the physical change from a liquid to a gas? - Answer-Vaporization.
What is hygroscopicity? - Answer-Ability to absorb water.
Which is not a physical property of matter?
a) solubility
b) sublimation
c) conductivity
d) hygroscopicity
e) density
f) viscosity
g) specific gravity - Answer-B) Sublimation.
Which physical state of matter has definite shape & volume? - Answer-Solid.
Which is not a chemical change in matter?
a) cremation
b) decomposition
c) evaporation
d) embalming
e) rusting
f) burning - Answer-C) Evaporation.
What is a change in a substances state from gas to liquid? - Answer-Condensation.
What is the temperature at which a solid converts to a liquid? - Answer-Melting point.
,What characteristics distinguish one kind of matter from another? - Answer-Properties.
What is obtained by dividing the mass of a substance by its volume? - Answer-Density.
Which of the following is a noble gas?
a) F
b) Ar
c) Br
d) Ag
e) Pb
f) N
g) H - Answer-B) Ar.
What is the conversion of a gas or solid into a liquid form as a result of a physical
change? - Answer-Liquefaction.
What is the conversion of a liquid or gas into a solid form? - Answer-Solidification.
What force occurs at a liquids surface forming a barrier? - Answer-Surface tension.
How many degrees does a calorie raise the temperature of 1 gram of water while at
15C? - Answer-1 degree.
What is the degree of thickness of a liquid? - Answer-Viscosity.
Which of the following substance's components retain their own properties and can be
separated by physical means? - Answer-Mixtures.
What physical state of matter has no definite shape but does have definite volume? -
Answer-Liquid.
What is the basic substance of an element that takes part in a chemical reaction? -
Answer-Atom.
Which occurs when different kinds of matter react with each other and produce a
chemical change? - Answer-Chemical reaction.
What is the smallest particle of a compound that can exist and still maintain the
properties of that compound? - Answer-Molecule.
What is the smallest fundamental unit of an element, maintaining the distinguishing
feature of that element? - Answer-Atom.
What is the process by which a substance is given definite form? - Answer-
Crystallization.
, What can be defined as two or more chemically combined elements in definite
proportions by weight? - Answer-Compound.
What is a substance that cannot be broken down any further by ordinary chemical
means? - Answer-Element.
What is a combination of symbols that expresses the chemical composition of a
substance? - Answer-Formula.
What is the process of solid going to a gas, skipping the liquid state? - Answer-
Sublimation.
What is the measure of the gravitational pull on an object? - Answer-Weight.
What is the quantity of matter in an object? - Answer-Mass.
Which of the following refers to the rate at which a chemical substance undergoes a
chemical reaction? - Answer-Reactivity.
What is the ability of a substance to burn? - Answer-Combustibility.
What is energized gas? - Answer-Plasma.
What determines the position an element will take on the period table? - Answer-Atomic
number.
Which of the following is not a physical change in matter? - Answer-Souring milk.
What is a substances ability to dissolve? - Answer-Solubility.
What tells the number of atoms of each element present in the compound? - Answer-
Subscript.
True or False: Metallic elements tend to form negative ions. - Answer-False.
True or False: A non-metal is an element that is marked by luster. - Answer-False.
True or False: The elements in a compound are always present in the same proportion.
- Answer-True.
True or False: A subscript is a small number that is written to the left of and below the
symbol. - Answer-False.
True or False: Chemical reactions are orderly arrangements of extremely minute
particles of matter called atoms. - Answer-True.
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 $15.49. 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