LECTURE1

LECTURE1 - INTRODUCTION Survey of Chemistry Expectations to do Well in the Course Attend class and take notes Have a calculator with you all the

Info iconThis preview shows pages 1–17. Sign up to view the full content.

View Full Document Right Arrow Icon
INTRODUCTION Survey of Chemistry
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Expectations to do Well in the Course z Attend class and take notes. ave a calculator with you all the time z Have a calculator with you all the time z Try to answer questions on your own, don’t ait for the answers to be posted wait for the answers to be posted. z Study, don’t fall behind. z Ask for help when you are in doubt. z Read and review your notes before answering the quizzes. z Volume of material is lots more than in high school.
Background image of page 2
Measurements, toms and Elements Atoms and, Elements hapter 1 Chapter 1
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
How is Chemistry Related to Nursing? Chemistry is Everywhere!
Background image of page 4
Chemistry z Chemistry : study of matter and its changes. Energy involved in all changes is involved in all changes. atter nything that has both mass & volume z Matter : anything that has both mass & volume. hanges re used to show that something is z Changes : Are used to show that something is happening. Could be physical or chemical changes. Observations are essential.
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What happens when you don’t get enough iron? Red blood cells require iron. Iron is an element. A red blood cell contains 250 million hemoglobin olecules molecules. Each hemoglobin carries four iron atoms. ach iron atom carries one oxygen molecule Each iron atom carries one oxygen molecule. Iron is also involved in cell growth and DNA synthesis.
Background image of page 6
What happens when you get too much iron? z Iron is stored in hemoglobin, myoglobin, and in enzymes. z Excess iron stays in the body as free iron available to yy oxidize other substances. z Could cause premature aging, cancer, osteoporosis, arthritis, diabetes, liver damage, heart disease and brain disorders.
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Where is the Chemistry? z Atoms are very small. z Scanning tunneling microscopy is used to “ ee” atoms see atoms. z Distance between atoms can be measured.
Background image of page 8
From very LARGE to very SMALL MACROSCOPIC WORLD Can be seen MICROSCOPIC WORLD Cannot be seen with the eye Chemistry attempts to explain what happens at atomic level based on observations at macroscopic level
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Measurements
Background image of page 10
Measurements z Measurements consist of two parts – a number and a unit . z Units z Metric (SI) z Common z Find what is wrong from the following description: z A student in the laboratory took a block of wood and recorded the values 3.45 mm, 4.5, and 5.34 cm and 7 453 What could be calculated with the information? 27.453. What could be calculated with the information?
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What do we measure? nits commonly used Units commonly used Property Unit (Metric) Unit (English) ength eter oot, yard Base Units Length Meter Foot, yard Mass Gram Ounce, pound ime econd econd Time Second Second Derived Units Volume Liter Gallon Density varies) - y ()
Background image of page 12
Metric System ll other conversions will be provided All other conversions will be provided
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
easurements and Measurements and ignificant Figures Significant Figures
Background image of page 14
There are three important factors to onsider when making measurements: consider when making measurements: 1) Accuracy 2) Precision 3) Significant figures
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ccuracy Accuracy ccuracy how close a measured value is z Accuracy
Background image of page 16
Image of page 17
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/16/2011 for the course CHM 1033 taught by Professor Staff during the Spring '08 term at FIU.

Page1 / 59

LECTURE1 - INTRODUCTION Survey of Chemistry Expectations to do Well in the Course Attend class and take notes Have a calculator with you all the

This preview shows document pages 1 - 17. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online