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TTU / Chemistry / CHEM 1307 / What is the main difference between mass and weight?

What is the main difference between mass and weight?

What is the main difference between mass and weight?

Description

School: Texas Tech University
Department: Chemistry
Course: Principles of Chemistry I
Professor: Benjamin wylie
Term: Spring 2017
Tags:
Cost: 50
Name: Chem 1307 First Midterm study guide
Description: These notes cover tips on resources for the first upcoming exam.
Uploaded: 02/05/2017
2 Pages 133 Views 1 Unlocks
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Study Guide and Tips for First Midterm Examination.

If you want to learn more check out What is the difference between positive reinforcement and negative reinforcement escape?

Modes:

✱ When entering Scientific notation on a calculator It is important to be aware exactly how to. Don't forget about the age old question of What is the relationship between covariance and the correlation coefficient?

一 Look for a button such as E, EE, or EXP which means “times ten” (x10) so you don't really type the number 10. We also discuss several other topics like What is the sum of two even numbers?

Example. We also discuss several other topics like What is the meaning of responsiveness in the functions of life?

could be entered on the calculator as 12.82 E9. If you want to learn more check out What is the meaning of contradiction in math?

✱ In the case of entering a negative exponents, some calculator require the sign to be inserted' after (in front of) the exponents. We also discuss several other topics like What is the meaning of locke in child psychology?

Example

could be entered as 3.02 E-3 or 3.02 E3-

Pressing 2nd SCI puts your calculator into scientific or exponential mode.

Mass vs. Height

  • Mass (m) is the amount of material in an object
  • Kg is the SI unit of mass.
  • Weight (W) is the force that the mass “exerts” as a result of gravity (g)
  • Weight is directly proportional to mass
  • N=Newton: the weight force unit there are other weight force units like pounds(lbs) g has a unit of weight per mass
  • g=9.81 M/kg or 1lb/lb
  • lb can measure both weight and mass

Tips on chapters to study.

Chapter 1

        Matter, Measurement and problem solving

Chapter 2

        Atom and elements

✱ Focus on Isotope Problem!

Chapter 3

        Molecules, compounds, chemical equations

Chapters 1-3 are the focused chapters of the exam.

Tools Needed / Knowletge of

periodic table

Comparison factor

Calculator

Use of practice exam on blackboard (very helpful)

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