Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

OCHEM

Chapter 1

TermDefinition
Harry Kroto 20th century chemist, studied interstellar dust, discovered 3rd form of carbon, buckminsterfullerene
nanotechnology making materials, manipulating individual atoms/molecules
technology using known knowledge of the natural world for practical purposes
scientific fact agreed upon by competent observers as being true
hypothesis a suggested explanation for an observed phenomenon
scientific hypothesis hypothesis that can be tested through experiments
scientific law/principle hypothesis tested over and over, never contradicted, expressed mathematically.
scientific theory a well tested explanation, unifies broad range of observations within natural world
chemistry study of matter and the transformations it can undergo.
matter anything that has mass and occupies space
basic research research that leads to a greater understanding of how the world operates
applied research useful application of knowledge gathered by basic research
green chemistry chemistry devoted to climate change
physical qualities mass, length, time, weight, energy, temperature, heat and density
measurements consist of: a number and a unit
measurement unit of length kilometer, km
measurement unit of mass kilogram, kg
measurement unit of time second, s
measurement unit of temperature kelvin, K
measurement unit of amount of substance mole, mol
measurement unit of electric current ampere, A
measurement of luminous intensity candela, cd
kilo symbol and representation K, 10^3
mega symbol and representation M, 10^6
centi- symbol and representation c, 10^-2
milli- symbol and representation m, 10^-3
micro- symbol and representation μ, 10^-6
nano- symbol and representation n, 10^-9
scientific process ask a question, propose reproducible/testable claim , test your claim
quantitative observation (measurement) made by using an instrument, always involves number and unit
qualitative observation made using senses
USCS US customary system
SI international sytem of units, metric
exact quantity no uncertainty, infinite significant figures
measured quantity limited number of significant figures
Created by: ilredus
Popular Chemistry sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards