Chemistry Flashcards

0
Q

The Montreal protocol

A

An agreement between nations to phase out the use of compounds and place restrictions on how they should be used in the future

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Substance

A

Also known as a chemical, is matter that has a definite uniform composition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Thermo chemistry

A

Area of emphasis: heat involved in chemical process

Example of emphasis: heat reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Theoretical chemistry

A

Area of emphasis: chemical interaction

Example of emphasis: many areas of emphasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Polymer chemistry

A

Area of emphasis: polymer and plastics

Example of emphasis: textiles, coatings and plastics.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Industrial chemistry

A

Area of emphasis: chemical processes in industry

Example of emphasis: paints, coatings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Biochemistry

A

Area of emphasis: matter and environment

Examples of emphasis: metabolism and fermentation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Environmental chemistry

A

Area of emphasis: matter and the environment

Example of emphasis: pollution, chemical cycles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Analytical chemistry

A

Area of emphasis: components and composition of substances

Example of emphasis: foods, nutrients, quality control.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Inorganic chemistry

A

Area of emphasis: in general, matter does not contain carbon

Examples of emphasis: minerals, metals, and non-metals, semiconductors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Physical chemistry

A

Area of emphasis: the behavior and changes of matter and the related energy changes

Example of emphasis: reaction rates, reaction mechanisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Organic chemistry

A

Area of emphasis: most carbon- containing chemicals.

Examples of emphasis: pharmaceuticals, plastics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Chemistry

A

The study of matter and the changes it undergoes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Thomas Midgely jr.

A

Synthesized the first chlorofluorocarbon in 1928

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Weight

A

A measure not only of the amount if matter but also the effect of earth’s gravitational pull on that matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Model

A

A visual, verbal, or mathematical explanation of experimental data.

16
Q

Mass

A

Am instrument that reflects the amount of matter

17
Q

GMB Dobson

A

GMB Dobson was a British scientist who began measuring the amount of ozone in the atmosphere

18
Q

Scientific method

A

A systematic approach used in scientific study

19
Q

Qualitative data

A

Information that describes color, odor, shape, or some other physical characteristic

20
Q

Hypothesis

A

A tentative, testable statement or prediction about what has been observed

21
Q

Experiment

A

A set of controlled observations that test the hypothesis

22
Q

Independent variable

A

In an experiment, the variable that the experimenter plans to change

23
Q

Dependent variable

A

In an experiment, the variable whose value depends on the independent variable

24
Q

Control

A

A standard for comparison

25
Q

Conclusion

A

A judgement based on the information obtained

26
Q

Theory

A

An explanation of natural phenomenon based on many observations and investigations over time

27
Q

Scientific law

A

A relationship in nature that is supported by many experiments

28
Q

Pure research

A

To gain knowledge for the sake of knowledge itself

29
Q

Applied research

A

Research undertaken to solve a specific problem

30
Q

Alexander Fleming

A

Accidentally discovered penicillin

31
Q

Julian hill

A

Employee of E.I. DuPont de Nemours and company. He discovered nylon which was soon used in world war 2

32
Q

Quantitative data

A

Numerical information describing how much, how little, how big, how tall, or how fast.

33
Q

Chlorofluorocarbons

A

Used in plastic foams, solvents, and propellants for spray cans

34
Q

Who were Mario Molina and F. Sherwood Rowland?

A

Two scientist who used applied research to find how CFC’s could exist in the atmosphere