Scientific Method
This is an educated guess you make before you perform the experiment
Hypothesis
Do zeroes count in front of numbers?
No
Name a homogenous mixture
drinking water, tea, lemonade, gasoline etc.
Is it okay for me to round in the middle of equations?
Yes, if you leave an additional insignificant figure.
Studies the composition of matter
Analytical Chemistry
Final step of the scientific method
Make a conclusion
What do zeros at the end need to be behind to count?
A number and a decimal
Name a heterogenous mixture
Trail mix, pizza, M&Ms
The percent error formula compares what to what?
Actual vs experimental value
Study of carbon based compounds
Organic
2 types of data gathered from experiments
Quantitative and qualitative data.
How many Sig Figs 0.701
3
What is the difference between an element and a compound
Compounds are made of multiple elements chemically bound together
Percent difference formula is useful for comparing what?
Experiments
Studies the rates of reactions
physical chemistry
First step of the scientific method is?
Make Observations
How many Sig Figs 2.01 x 10^4
3
Is air a pure substance or a mixture?
Mixture
What sig fig represents uncertainty?
Last one
Little Johnny wants to see what would happen if he threw a Nintendo Switch into a fire. Besides stupid, this is an example of ....
Pure Chemistry
What part of the experiment do YOU change.
Independent Variable
How many sig figs will I round my answer to?
2.031 x 11021 =?
Smallest unit of an element that still acts like the element
atom
Calibration errors or flawed procedures are an example of
systematic uncertainty
Deals with bones and metals
Inorganic chemistry